Oculus Pentacam

Pentacam-oculus
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Pentacam SW Basic

The Pentacam provides you with an overrall view of the anterior segment of the eye in two seconds. Automatic measurement activation with quality test guarantees fast, reproducible and reliable elegable measurements.

Pentacam can be upgraded up front or later on to include two software packages and other optional modules - to suit your specific needs.

Included in this system:

  • Refractive package
  • Cataract package
  • Ambrosio paackage
  • Contact lens fitting software 
  • Electric table and computer
  • Fully updated and Refurbished. 

Features

 

The measurement principle  

The Pentacam® is a combined device consisting of a slit illumination system and a Scheimpflug camera which rotates around the eye.
A thin layer within the eye is illuminated through the slit. Being not entirely transparent the cells scatter the slit light. In doing so they create a sectional image which is then photographed in side view by a camera. This camera is oriented according to the Scheimpflug principle, thus creating an image of the illuminated plane which appears completely sharp from the anterior surface of the cornea right up to the posterior surface of the crystalline lens. Swivelling around the eye, the slit-camera device generates a series of radially oriented images of the anterior eye chamber. In the subsequent analysis of the sectional images, tissue boundaries are detected and point clouds are assigned to the various tissue layers (anterior and posterior corneal surfaces, iris, crystalline lens).

The sectional images are saved, corrected in relation to a common reference point and then put together to create a three-dimensional model of the entire anterior eye chamber. This makes it possible to generate reproducible tomographic images of the anterior eye chamber in any desired plane.

After correction for Scheimpflug distortion and light refraction at tissue interfaces the exact of location of image edge points in the eye is determined by means of raytracing. Eye movements during image acquisition are captured by a second camera (pupil camera) and also taken into account in the mathematical evaluation. This produces a set of three-dimensional measurement data which gives a precise geometric description of the anterior eye segment. This data in turn can be used to generate data on elevation, curvature, pachymetry, depth of the anterior eye chamber…etc. in the well-known form of colour maps.

Short measuring time (2 seconds)

Differences in brightness between individual layers provide an indication of any opacity, since transparent layers result in less slight scattering.

This information can be used to assess cataracts.

The Pentacam® is the only instrument on the market able to perform a precise and complete measurement and analysis of the centre of the cornea. The rotating measurement principle avoids measurement errors that would result from horizontal scanning. Due to the radial orientation of the sectional images the density of data points is greatest at the centre.

This contact-free, hygienic measurement process takes less than two seconds.

This is the time it takes to generate 50 sectional images yielding in turn 138,000 true elevation values.

Screenshot: overview display

 

 

Pentacam - core functions

 

A complete diagnosis in just the bat of an eye.

Within a mere second the Pentacam® supplies you with precise diagnostic data on the entire anterior eye segment. The degree of corneal or crystalline lens density is made visible by the light scattering properties of the respective media and is automatically quantified by the software. Measurement of the anterior and posterior corneal surfaces supplies the true total refractive power of the cornea. The data on the posterior surface support in Keratometry for toric IOL calculation and orientation as well as in the detection of early ectatic changes.

 

The rotating scan supplies more data points in the center of the cornea. A supplementary pupil camera corrects for eye movements during the examination. Unlike conventional topography systems the Pentacam® measures true elevation data rather than just curvature values.

 

 Versatile basic software

Even the basic software offers a vast range of functions:

  • Indicies Report
  • for glaucoma screening
  • for refractive screening
  • 4 Maps Refractive
  • qualitative assessment of the cornea
  • topography and elevation data of the anterior and posterior corneal surface
  • overall pachymetry, relative and absolute
  • Iris camera and automatic HWTW
  • Anterior segment tomography
  • Topography based detection and quantification of corneal abnormalities
  • 3D anterior chamber analysis
  • chamber angle
  • chamber volume
  • chamber depth
  • Pachymetry-based IOP correction
  • Comparison and differential displays for follow-up
  • Comparison and superimposition of Scheimpflug images

Need more functions? – No problem!
The Pentacam® can up front or later be upgraded with:

  • Refractive package
  • Cataract package
  • Belin/Ambrosio Enhanced Ectasia
  • Holladay Report
  • Contact lens fitting software including Fourier analysis
  • DICOM interface
 

Corneal optical densitometry

 

 

 

Corneal optical densitometry

The Pentacam® / Pentacam® HR software allows customized and objective standardized evaluation of corneal optical densitometry. It is displayed as a color coded map over its full depth and area and can be assessed individually in different layers and zones. The respective layer depth and zone size are displayed in the two Scheimpflug images as well as in a colored or a grey scaled map.

For study and normative data analysis it is displayed in fixed layers and zones in the table chart. The objective analysis of corneal optical density allows the detection of corneal Fuchs dystrophy or corneal scars for example. It provides an objective follow-up before and after CXL, PRK, LASIK, DSEK, etc. as well.

 

 Indices Report

The Indices Report allows a quick screening of new patients to detect abnormalities. The intuitive guide recommends further displays to look at.

Important parameters of the anterior eye segment, displayed with the Pentacam® / Pentacam® HR software, are analyzed and validated in published papers and articles.
Their normal (green) and pathological (red) distribution is displayed in diagrams.
This presentation provides an intuitive, quick but comprehensive overview.
For detailed assessment, the literature source used is also mentioned. Based on individual results, the navigation bar recommends further displays to review to get additional information.

 

Corneal Ring Display

The pre-op planning for implanting a corneal ring is a combination of several parameters. The Corneal Rings Display includes all relevant information for this purpose.

The table chart in the upper center contains the minimum thickness for manual dissection technique or using a Femto laser to design the channel.
Below the table chart, the 3rd and the 5th order coma amount and axis are shown which together with the astigmatism axis helps orientating the ring(s). The colored maps are helpful for the qualitative inspection of the corneal properties.
The corneal ring display in combination with the link to the external Ferrara Ring calculator software realizes an automated and comprehensive clinical use. The Ferrara Ring calculator imports all necessary data from the Pentacam® and suggests the best ring type and orientation axis.
Please keep in mind that the mentioned external software might not be available in your country.

 

 Scheimpflug Image

The Scheimpflug image gives a complete representation of the anterior chamber, extending from the endothelium to the posterior surface of the lens. Any opacities of the cornea or lens are made visible and quantified objectively. The chamber angle is also shown in the Scheimpflug image. This can assist in the diagnosis of closed-angle glaucoma, for ex.. After keratoplastic surgery it can be used to analyse the position of the implant and follow up the healing process. The Scheimpflug image is also excellently suited for consulting with the patient.

 

Scheimpflug Image Overview

Immediately after the measurement the single Scheimpflug images captured are displayed on the screen. This allows a quick overview about the anterior chamber conditions such like Cataract or possible blinks or artifacts during the measurement.

 

 Pachymetric

The corneal thickness progression analysis is calculated using concentric rings, starting at the thinnest point and extending to the periphery. Using this evaluation differences between normal corneas and Keratoconus corneas can be detected and used to identify very early changes. The results are displayed in two diagrams. For an objective comparison and analysis the progression index is calculated.

 

 Refractive

This display contains the most important information for a quick screening of patients who are interested in corneal surgery. The keratometry, pachymetric progression, topographically keartoconus evaluationis shown. Moreover the corneal topography, pachymetry and the posterior elevation map is displayed too.

 

 Zernike Analysis & Corneal Wavefront

The Scheimpflug technology allows the measurement of both corneal surfaces. Based on the accurate measurement a Zernike analysis and corneal wavefront are calculated. The display shows the elevation (surface) based Zernike analysis as well as the ray traced corneal wavefront. The corneal wavefront is calculated via ray tracing for the anterior, posterior and total cornea. It is displayed in comparison to a normal population. The deviation from the standard allows a quick detection of abnormalities. For this purpose the refractive indices of corneal tissue and the aqueous fluid are used. These calculations are not possible with Placido based topographers.

 

 pIOL Simulation and aging prediction

The pre-op assessment of anterior chamber conditions are one important part of the patient selection process to evaluate if a phakic IOL might be beneficial. The OCULUS Pentacam® HR provides a pre-op simulation of the iris fixated phakic IOL. Depending to the selected pIOL type and patients refraction the software calculates the necessary refractive pIOL power using the van der Heyde formula. The position of this specific pIOL in the anterior chamber is automatically calculated in 3D and represented in the Scheimpflug images. The minimal distances between:

  • the pIOL and the crystalline lens,
  • the pIOL and the endothelium

are calculated automatically in 3D and displayed numerically and in a color map. Moreover the growing of the crystalline lens over the years is calculated and the forward move of the pIOL is shown and quantified too. The results can be shown to the patient. This software module is available for the Pentacam® HR only.

 

 Power Distribution

The Corneal Power Distribution Display is a sophisticated tool to assess in detail corneal power. The Sim K’s, True Net Power and Total Corneal Refractive Power are displayed in a table chart. The reference for the calculation can be switched:

  • from apex to pupil to see possible changes, especially after refractive surgery
  • to calculate corneal power on a ring (usual Keratometry) or in a zone which is for example useful for IOL calculation for patients who underwent RK in the past
  • to different zone from 1mm up to 8mm

Moreover the presentation of Sim K’s (anterior corneal surface) and Total Cornal Refractive Power in one table chart displays the influence of the posterior corneal surface which is essential for toric IOL implantation. To complete the display the corneal power can be assessed everywhere on the cornea to see its distribution in a diagram in order to assess corneal optical properties for example multifocality, the effects of corneal flattening after CXL (Corneal Cross Linking).

 

 Iris Image

The iris camera and optic were improved to display the iris image as a front photo and to determine HWTW (horizontal white to white) automatically. This supports in selection of the correct size of the ICL as well as in sizing of contact lenses. Moreover the ophthalmologist can assess pupil shape and identify landmarks which are needed for surgery. 

The Keratometry can be displayed as an overlay to determine the corneal power in the pupil area. All colored maps can be displayed as an overlay too. The Pentacam®/ Pentacam® HR which are currently shipped have the new iris camera with the improved optic design built in. Older systems in the field can be upgraded depending on their age. For further information please contact your local distributor.

 

 Fourier Analysis

The Fourier Analysis dismantles the anterior corneal surface. In detail:

  • the spherical component displays the arithmetic mean of all radii of curvature for each ring; the spherical eccentricity is calculated which is below 0.85 for normal eyes.
  • the decentration or asymmetry of the astigmatic component which is for normal eyes below 0.43, higher number might be a sign for Keratoconus
  • the regular astigmatic component is calculated in the center and in the periphery; from experience the amount and axis position of the central, regular astigmatism based on Fourier Analysis corresponds better with the subjective refraction
  • the irregularities of the cornea which can not be corrected by sphere, cylinder or prism; the mean value of a normal cornea is below 0,03mm
 

 Topometric

The early detection and follow-up of corneal shape abnormalities, such like keratoconus and others is a vital part of the eye specialist's everyday practice. The Pentacam is equipped with sensitive detection software which performs objective topographic classification of corneal shape abnormalities, such like keratoconus based on various indices.

 

 Comparison displays

The Pentacam®/Pentacam®HR offers several comparison displays. Up to four exams can be loaded and analysed in order to see progression over time. Every single map and almost every parameter can be assessed. The example used in the screenshots display a corneal topography of before and after CXL (Corneal Cross Linking), one shows the maps and the other display the progression of anterior segment parameters.

 

 Show 2 Exams

The Pentacam®/Pentacam®HR software allows the presentation of two exams in one display. This is very helpful to show the right and left eye together to assess possible difference, e.g. asymmetric Keratoconus.

 

 Topography maps of the anterior and   posterior corneal surface

Applications:

  • Keratoconus detection
  • Pre-surgical planning of refractive corneal surgery
  • Follow-up after corneal surgery
  • Calculation of IOL refractive power
  • Planning of astigmatism reducing incisions (LRI)
  • Follow-up after refractive surgery (pre-post LASIK)

Details:

The rotating measurement principle guarantees high resolution of the data points in the central cornea. Topographic analysis of the anterior and posterior corneal surfaces is based on the measured real elevation data.

  • Sagittal, tangential-radial maps, refractive maps
  • Various elevation maps in relation to freely selectable reference bodies
  • True Net Power - calculation of real refractive power taking the posterior corneal surface into account
  • Various four-colour maps, pre-set or individually configurable
  • Differential and comparative representations of different examinations
 

 Pachymetry maps, absolute and   relative

Applications:

  • Pre-surgical planning of refractive corneal surgery
  • Glaucoma screening
  • Keratoconus detection and quantification
  • IOP evaluation taking into account measured corneal thickness based on various formulas (for ex. the Dresden correction table)

Details:

An overview display in colour shows the corneal thickness from limbus to limbus. The measured values can be displayed in a pre-determined grid or represented manually at any point at a mouse click.

Automatic representation of:

  • corneal thickness in the centre of the pupil
  • corneal thickness in the apex
  • the thinnest point of the cornea
  • corneal volume

 

Elevation maps of the anterior and   posterior corneal surface

This colour map serves to depict the elevation data of the corneal anterior and posterior surfaces using different reference bodies.

This colour map serves to depict the elevation data of the corneal anterior and posterior surfaces using different reference bodies. It offers reliable assistance in the diagnosis of keratoconus, for ex., especially as elevation data are less prone to errors resulting from poor fixation by the patient than are curvature data.

 

 3D anterior chamber analysis

Applications:

  • Pre-surgical planning of implantation of phakic lenses
  • Glaucoma screening
  • Pre- to post-operative comparison of changes in the anterior chamber, for ex. after an iridectomy

Details:

  • Automatic calculation of
  • chamber angle
  • chamber volume
  • chamber depth
 

Anterior segment tomography

Applications:

  • Quick overview of the acquired data
  • Changes which become visible in the Scheimpflug image are represented amazingly well in a 3D model.

Details:

The rotatable, swivelable 3D model of the eye proves to be an enormous help when consulting with patients, as it permits the patient to see his eye from all sides so that irregularities can easily be explained.

 

 General overview display

Application:

  • Comprehensive clinical overview display
  • Patient information

Detail:

The overview display provides important clinical information on the keratometry and pachymetry of the cornea in concise numerical form. The Scheimpflug image provides physician and patient with intuitive representations of opacities of the cornea or lens (cataract) or of the position of an IOL. The anterior chamber is described in terms of anterior chamber depth, volume and angle. When combined with IP tonometry readings corrected for corneal thickness the overall display permits an assessment of glaucoma risk. It also allows the display of all colour maps.

 

 Four maps, refractive

Applications:

  • Overview display for the refractive surgeon
  • Topometric and pachymetric keratoconus analysis

This overview display contains all the information required for a qualitative assessment of the cornea. It shows corneal thickness distribution and a corneal thickness map, a sagittal curvature map of the anterior corneal surface, an indices-based topometric quantification of the anterior corneal surface and an elevation map of the posterior corneal surface. The asphericity of the cornea is described as a function of various zones and meridians.

 

 Comparative and differential analysis  of two examinations

Applications:

  • Follow-up
  • Comparison of the pre- and post-operative condition

Detail:

All available colour maps from two different examinations can be compared. The course or change over time is displayed by colour gradation (colour maps) or numerically.

 

 Comparison and Superimposition  of Scheimpflug images

The superimposition of the Scheimpflug images includes a blending function to qualitatively visualize and analyze the changes in the anterior chamber.

 

Applications:

  • Cornea, before and after LASIK
  • Anterior chamber, before and after iridotomy
  • Progression of lens opacifications (cataract)
 

 

 

Corneal optical densitometry

The Pentacam® / Pentacam® HR software allows customized and objective standardized evaluation of corneal optical densitometry. It is displayed as a color coded map over its full depth and area and can be assessed individually in different layers and zones. The respective layer depth and zone size are displayed in the two Scheimpflug images as well as in a colored or a grey scaled map.

For study and normative data analysis it is displayed in fixed layers and zones in the table chart. The objective analysis of corneal optical density allows the detection of corneal Fuchs dystrophy or corneal scars for example. It provides an objective follow-up before and after CXL, PRK, LASIK, DSEK, etc. as well.

 

 Indices Report

The Indices Report allows a quick screening of new patients to detect abnormalities. The intuitive guide recommends further displays to look at.

Important parameters of the anterior eye segment, displayed with the Pentacam® / Pentacam® HR software, are analyzed and validated in published papers and articles.
Their normal (green) and pathological (red) distribution is displayed in diagrams.
This presentation provides an intuitive, quick but comprehensive overview.
For detailed assessment, the literature source used is also mentioned. Based on individual results, the navigation bar recommends further displays to review to get additional information.

 

Corneal Ring Display

The pre-op planning for implanting a corneal ring is a combination of several parameters. The Corneal Rings Display includes all relevant information for this purpose.

The table chart in the upper center contains the minimum thickness for manual dissection technique or using a Femto laser to design the channel.
Below the table chart, the 3rd and the 5th order coma amount and axis are shown which together with the astigmatism axis helps orientating the ring(s). The colored maps are helpful for the qualitative inspection of the corneal properties.
The corneal ring display in combination with the link to the external Ferrara Ring calculator software realizes an automated and comprehensive clinical use. The Ferrara Ring calculator imports all necessary data from the Pentacam® and suggests the best ring type and orientation axis.
Please keep in mind that the mentioned external software might not be available in your country.

 

 Scheimpflug Image

The Scheimpflug image gives a complete representation of the anterior chamber, extending from the endothelium to the posterior surface of the lens. Any opacities of the cornea or lens are made visible and quantified objectively. The chamber angle is also shown in the Scheimpflug image. This can assist in the diagnosis of closed-angle glaucoma, for ex.. After keratoplastic surgery it can be used to analyse the position of the implant and follow up the healing process. The Scheimpflug image is also excellently suited for consulting with the patient.

 

Scheimpflug Image Overview

Immediately after the measurement the single Scheimpflug images captured are displayed on the screen. This allows a quick overview about the anterior chamber conditions such like Cataract or possible blinks or artifacts during the measurement.

 

 Pachymetric

The corneal thickness progression analysis is calculated using concentric rings, starting at the thinnest point and extending to the periphery. Using this evaluation differences between normal corneas and Keratoconus corneas can be detected and used to identify very early changes. The results are displayed in two diagrams. For an objective comparison and analysis the progression index is calculated.

 

 Refractive

This display contains the most important information for a quick screening of patients who are interested in corneal surgery. The keratometry, pachymetric progression, topographically keartoconus evaluationis shown. Moreover the corneal topography, pachymetry and the posterior elevation map is displayed too.

 

 Zernike Analysis & Corneal Wavefront

The Scheimpflug technology allows the measurement of both corneal surfaces. Based on the accurate measurement a Zernike analysis and corneal wavefront are calculated. The display shows the elevation (surface) based Zernike analysis as well as the ray traced corneal wavefront. The corneal wavefront is calculated via ray tracing for the anterior, posterior and total cornea. It is displayed in comparison to a normal population. The deviation from the standard allows a quick detection of abnormalities. For this purpose the refractive indices of corneal tissue and the aqueous fluid are used. These calculations are not possible with Placido based topographers.

 

 pIOL Simulation and aging prediction

The pre-op assessment of anterior chamber conditions are one important part of the patient selection process to evaluate if a phakic IOL might be beneficial. The OCULUS Pentacam® HR provides a pre-op simulation of the iris fixated phakic IOL. Depending to the selected pIOL type and patients refraction the software calculates the necessary refractive pIOL power using the van der Heyde formula. The position of this specific pIOL in the anterior chamber is automatically calculated in 3D and represented in the Scheimpflug images. The minimal distances between:

  • the pIOL and the crystalline lens,
  • the pIOL and the endothelium

are calculated automatically in 3D and displayed numerically and in a color map. Moreover the growing of the crystalline lens over the years is calculated and the forward move of the pIOL is shown and quantified too. The results can be shown to the patient. This software module is available for the Pentacam® HR only.

 

 Power Distribution

The Corneal Power Distribution Display is a sophisticated tool to assess in detail corneal power. The Sim K’s, True Net Power and Total Corneal Refractive Power are displayed in a table chart. The reference for the calculation can be switched:

  • from apex to pupil to see possible changes, especially after refractive surgery
  • to calculate corneal power on a ring (usual Keratometry) or in a zone which is for example useful for IOL calculation for patients who underwent RK in the past
  • to different zone from 1mm up to 8mm

Moreover the presentation of Sim K’s (anterior corneal surface) and Total Cornal Refractive Power in one table chart displays the influence of the posterior corneal surface which is essential for toric IOL implantation. To complete the display the corneal power can be assessed everywhere on the cornea to see its distribution in a diagram in order to assess corneal optical properties for example multifocality, the effects of corneal flattening after CXL (Corneal Cross Linking).

 

 Iris Image

The iris camera and optic were improved to display the iris image as a front photo and to determine HWTW (horizontal white to white) automatically. This supports in selection of the correct size of the ICL as well as in sizing of contact lenses. Moreover the ophthalmologist can assess pupil shape and identify landmarks which are needed for surgery. 

The Keratometry can be displayed as an overlay to determine the corneal power in the pupil area. All colored maps can be displayed as an overlay too. The Pentacam®/ Pentacam® HR which are currently shipped have the new iris camera with the improved optic design built in. Older systems in the field can be upgraded depending on their age. For further information please contact your local distributor.

 

 Fourier Analysis

The Fourier Analysis dismantles the anterior corneal surface. In detail:

  • the spherical component displays the arithmetic mean of all radii of curvature for each ring; the spherical eccentricity is calculated which is below 0.85 for normal eyes.
  • the decentration or asymmetry of the astigmatic component which is for normal eyes below 0.43, higher number might be a sign for Keratoconus
  • the regular astigmatic component is calculated in the center and in the periphery; from experience the amount and axis position of the central, regular astigmatism based on Fourier Analysis corresponds better with the subjective refraction
  • the irregularities of the cornea which can not be corrected by sphere, cylinder or prism; the mean value of a normal cornea is below 0,03mm
 

 Topometric

The early detection and follow-up of corneal shape abnormalities, such like keratoconus and others is a vital part of the eye specialist's everyday practice. The Pentacam is equipped with sensitive detection software which performs objective topographic classification of corneal shape abnormalities, such like keratoconus based on various indices.

 

 Comparison displays

The Pentacam®/Pentacam®HR offers several comparison displays. Up to four exams can be loaded and analysed in order to see progression over time. Every single map and almost every parameter can be assessed. The example used in the screenshots display a corneal topography of before and after CXL (Corneal Cross Linking), one shows the maps and the other display the progression of anterior segment parameters.

 

 Show 2 Exams

The Pentacam®/Pentacam®HR software allows the presentation of two exams in one display. This is very helpful to show the right and left eye together to assess possible difference, e.g. asymmetric Keratoconus.

 

 Topography maps of the anterior and   posterior corneal surface

Applications:

  • Keratoconus detection
  • Pre-surgical planning of refractive corneal surgery
  • Follow-up after corneal surgery
  • Calculation of IOL refractive power
  • Planning of astigmatism reducing incisions (LRI)
  • Follow-up after refractive surgery (pre-post LASIK)

Details:

The rotating measurement principle guarantees high resolution of the data points in the central cornea. Topographic analysis of the anterior and posterior corneal surfaces is based on the measured real elevation data.

  • Sagittal, tangential-radial maps, refractive maps
  • Various elevation maps in relation to freely selectable reference bodies
  • True Net Power - calculation of real refractive power taking the posterior corneal surface into account
  • Various four-colour maps, pre-set or individually configurable
  • Differential and comparative representations of different examinations
 

 Pachymetry maps, absolute and   relative

Applications:

  • Pre-surgical planning of refractive corneal surgery
  • Glaucoma screening
  • Keratoconus detection and quantification
  • IOP evaluation taking into account measured corneal thickness based on various formulas (for ex. the Dresden correction table)

Details:

An overview display in colour shows the corneal thickness from limbus to limbus. The measured values can be displayed in a pre-determined grid or represented manually at any point at a mouse click.

Automatic representation of:

  • corneal thickness in the centre of the pupil
  • corneal thickness in the apex
  • the thinnest point of the cornea
  • corneal volume

 

Elevation maps of the anterior and   posterior corneal surface

This colour map serves to depict the elevation data of the corneal anterior and posterior surfaces using different reference bodies.

This colour map serves to depict the elevation data of the corneal anterior and posterior surfaces using different reference bodies. It offers reliable assistance in the diagnosis of keratoconus, for ex., especially as elevation data are less prone to errors resulting from poor fixation by the patient than are curvature data.

 

 3D anterior chamber analysis

Applications:

  • Pre-surgical planning of implantation of phakic lenses
  • Glaucoma screening
  • Pre- to post-operative comparison of changes in the anterior chamber, for ex. after an iridectomy

Details:

  • Automatic calculation of
  • chamber angle
  • chamber volume
  • chamber depth
 

Anterior segment tomography

Applications:

  • Quick overview of the acquired data
  • Changes which become visible in the Scheimpflug image are represented amazingly well in a 3D model.

Details:

The rotatable, swivelable 3D model of the eye proves to be an enormous help when consulting with patients, as it permits the patient to see his eye from all sides so that irregularities can easily be explained.

 

 General overview display

Application:

  • Comprehensive clinical overview display
  • Patient information

Detail:

The overview display provides important clinical information on the keratometry and pachymetry of the cornea in concise numerical form. The Scheimpflug image provides physician and patient with intuitive representations of opacities of the cornea or lens (cataract) or of the position of an IOL. The anterior chamber is described in terms of anterior chamber depth, volume and angle. When combined with IP tonometry readings corrected for corneal thickness the overall display permits an assessment of glaucoma risk. It also allows the display of all colour maps.

 

 Four maps, refractive

Applications:

  • Overview display for the refractive surgeon
  • Topometric and pachymetric keratoconus analysis

This overview display contains all the information required for a qualitative assessment of the cornea. It shows corneal thickness distribution and a corneal thickness map, a sagittal curvature map of the anterior corneal surface, an indices-based topometric quantification of the anterior corneal surface and an elevation map of the posterior corneal surface. The asphericity of the cornea is described as a function of various zones and meridians.

 

 Comparative and differential analysis  of two examinations

Applications:

  • Follow-up
  • Comparison of the pre- and post-operative condition

Detail:

All available colour maps from two different examinations can be compared. The course or change over time is displayed by colour gradation (colour maps) or numerically.

 

 Comparison and Superimposition  of Scheimpflug images

The superimposition of the Scheimpflug images includes a blending function to qualitatively visualize and analyze the changes in the anterior chamber.

 

Applications:

  • Cornea, before and after LASIK
  • Anterior chamber, before and after iridotomy
  • Get started now, upgrade laterProgression of lens opacifications (cataract)

 

Get started now, upgrade later

PNS and 3D cataract analysis

Applications:

  • Cataract classification
  • Determination of lens opacity in 3D

Details:

Opacities of the cornea, crystalline lens or of IOLs (PCO) are made visible by blue light illumination. The software allows automatic and objective three-dimensional quantification of lens opacity. This offers the advantage of an optimal follow-up of cataract patients. The opacity of the crystalline lens is classified in five stages to facilitate the setting of phaco machines (PNS = Pentacam Nucleus Staging).

 Contact lens fitting

Applications:

  • Automatic display of all measurement data required for fitting contact lenses
  • Automatic suggestions for contact lenses
  • Realistic fluo image simulation
  • Integrated, expandable database with over 65,000 lens geometries

Details:

Dynamic fluo image simulation produces an image of how a specific contact lens from the database fits on the eye. The simulation makes it possible to adjust inclination and to shift the contact lens while automatically making a new fluo image calculation. The integrated and expandable database contains over 65,000 lenses. The contact lens geometries can be adjusted individually in cases where fitting is difficult. The user can establish his or her own ranking list for contact lens manufacturers.

 

Belin/Ambrosio Enhanced Ectasia

Applications:

  • Extremely sensitive early keratoconus detection and evaluation
  • Reliable detection of a forme fruste keratoconus

Details:

The Belin/Ambrosio display is the first screening tool to represent elevation data of the anterior and posterior corneal surface in combination with an evaluation of the corneal thickness map. In addition to its overall more precise keratoconus detection this screening facilitates early detection in particular. The distribution of corneal thickness is determined using concentric rings, starting at the thinnest point and extending to the periphery. The evaluation of deviations from the standard elevation map and the expanded elevation map is made easier by the results being displayed in green, yellow and red: green stands for inconspicuous, yellow for conspicuous and red for a potentially pathological condition.

 

 Holladay Report and Holladay EKR   Detail Report

Applications:

  • Comprehensive display of comparative clinical data
  • EKRs (equivalent keratometer readings) for IOL calculations in post-refractive patients

Details:

The Holladay Report was developed in collaboration with Jack T. Holladay, M.D. It supplies data for calculating the optimal IOL refractive power in patients who have undergone refractive corneal surgery such as LASIK, PRK and RK. The Holladay Report calculates the true relationship of the posterior to the anterior corneal surface. The overall refractive power of the cornea is calculated and described using EKRs (equivalent keratometer readings) in various zones.

 

 Apple iPad 2

Easy, intuitive and up-to-date

OCULUS sets a new standard in patient consultation and information. Pentacam® exams can be transferred to an iPad with the free Pentacam® App. Once the Pentacam® exams are transferred to the iPad they are stored and can be reviewed easily.

 

Refractive Package

  • overview display for refractive surgeons
  • corneal, optical densitometry
  • Fourier Analysis Display
  • Freely selectable reference bodies for elevation maps
  • Corneal thickness progression analysis for early keratoconus detection
  • Freely selectable four maps display
  • Extended comparative and differential analysis of up to four examinations
  • Side-by-side comparison of two examinations
  • Side-by-side comparison of topometric and pachymetric data
 

 Cataract Package

  • PNS & 3D objective Cataract Analysis
  • Cataract pre-op display for premium IOL selection
  • Total Corneal Refractive Power
  • True measurements in the Scheimpflug images
  • Corneal Wavefront and Zernike analysis of the total cornea
  • Power Distribution Display / Total Corneal Refractive Power
  • Improved IOL calculation
  • Orientation of toric IOls
  • True Net corneal power
  • PNS and 3D Cataract Analysis
  • Extended comparative and differential analysis of up to four examinations
  • Side-by-side comparison of two examinations
  • Side-by-side comparison of topometric and pachymetric data
  • Four maps, anterior chamber
  • Four maps, topometric
  • Anterior chamber depth map
  • Anterior chamber angle in 360°, automatically
 

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