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The Tomey OA-2000 is an advanced optical biometer featuring Fourier-domain axial length measurement, integrated corneal topography, and comprehensive IOL power calculation formulas. Designed for precise cataract surgery planning and anterior segment analysis.
The Tomey OA-2000 is a high-precision optical biometer utilizing Fourier-domain axial length measurement technology for accurate and reproducible results. Designed to support modern cataract surgery workflows, the system integrates axial length measurement, corneal curvature analysis, and topography into one compact diagnostic platform.
Its high-speed acquisition system automatically detects measurement points even when the crystalline lens is unclear, improving reliability in complex cases.
Key capabilities include:
The OA-2000 includes multiple IOL power calculation formulas to support standard and post-refractive surgery cases. The system allows up to 15 lens registrations and provides streamlined workflow from pre-operative evaluation to surgical planning.
Supported formulas include:
The integrated one-shot IOL power calculation allows simultaneous processing of axial length, corneal curvature, corneal thickness, and anterior chamber depth measurements.
The OA-2000 features a 10.4-inch tilting monitor for ergonomic operation and intuitive touchscreen alignment. Automatic alignment modes allow easy measurement initiation, while manual control via joystick is available when needed.
For cases where optical measurement is limited (e.g., dense cataracts), the unit can be connected wirelessly to an ultrasonic axial length measurement unit (AL-4000).
| Measurement | Range |
|---|---|
| Axial Length | 14 – 40 mm |
| Anterior Chamber Depth | 1.5 – 7.0 mm |
| Crystalline Lens Thickness | 0.5 – 6.0 mm |
| Corneal Thickness | 0.2 – 1.2 mm |
| Corneal Curvature Radius | 5.0 – 11 mm |
| Pupil Diameter | 1.5 – 13 mm |
| Corneal Diameter | 7 – 16 mm |
| Measurement Accuracy | Value |
| Axial Length | ±0.03 mm |
| Anterior Chamber Depth | ±0.05 mm |
| Crystalline Lens Thickness | ±0.05 mm |
| Corneal Thickness | ±5 µm |
| Corneal Curvature Radius | ±0.02 mm |
| Weight | 20 lbs |
|---|---|
| Dimensions | 18 × 18 × 18 in |
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