Used Marco Keratometer 3003
Marco Keratometer I is the one-position instruments for objectively measuring corneal curvature.
By simply rotating the Keratometer until a major axis is located, curvatures in both major and minor meridians can readily be measured. Marco Keratometers assure objective accuracy in such measurements as well as in the fitting of contact lenses. Manufactured with brass and stainless steel moving parts for durability, The Marco Keratometers incorporate such other features as precision objectives, achromatic prisms, and uniform diffuse illumination.