Generic Corneal

Corneal RGP
A lens with sag and 9mm chord markings

Curve-based fitting

Generic Corneal is built using standard corneal RGP design notation, so any clinician familiar with RGP fitting can use it with confidence.

Easily replicate existing lens designs and rest assured that every lens is manufactured exactly as prescribed, every time.

Screenshot of EyeSpace® Generic Calculator showing inputs and a simulation.

The EyeSpace® Generic Calculator

Customisable parameters

Anatomy of an EyeSpace® Generic Corneal lens
Generic Lens Parameters (subject to variability)
ParametersValues
Back Optic Zone Radius (r0)(Spherical or toric)
4.50–15.00 mm
Back Optic Zone Diameter (⌀0)4.00–11.70 mm
Peripheral Zone Radius (r1)(r0 + 0.05 mm) – (r2 - 0.05 mm)
Peripheral Zone Diameter (⌀1)(⌀0 + 0.10 mm) – (⌀2 - 0.40 mm)
Edge Zone Radius (r2)(r1 + 0.05 mm) – 15.00 mm
Edge Zone Diameter (⌀2)(⌀1 + 0.10 mm) – (⌀T - 0.40 mm)
Back Vertex Power(F′v)-30.00 – +30.00 DS,
up to -20.00 DC
Spherical Aberration (SA)-2.00 – +2.00 D

Our suite

Getting started

We can help get you set up on our online platform. If you already have an account with us, you can simply log in, start restoring vision and changing people's lives.