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F.No. 35/U-3/RPC/SSK/12-13

Autoref with Keratometer- 16 Nos.

Objective and subjective mode and measuring corneal astigmatism, low contrast glare acuity testing.

Measureable range-sphere plus/minus 20D, Cyl 0 to 7D, Axis 0 to 180, min. pupil size 2mm, vertex dist. 10.5,

12.0, 13.5, preferably with IOL mode and print out facility.

High accuracy measurements of corneal and contact lens radii and determination of corneal astigmatism.

Distance independent co-independent measuring technique. Prism cells for contact lens measurement with

power supply unit. Range 4 mm to 13mm radius with 0.01mm increments. Halogen lamp illumination, Steel

balls standard radius for calibration. Indigenous Keratometer’s performance is not satisfactory.

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Epson EB-X21 Especificaciones Pagina 46