Use instructions

1. Select the corneal parameters (radius, toricity, steepest meridian and eccentricity by means of the range sliders) and the scale type (absolute or relative with the buttons).
2. Observe the topographic data (keratometry, astigmatism, asphericity and best fit sphere) and graphs (curvature and elevation maps and profiles and sagitta profile).
3. If you have doubts, click on "help", and buttons with the "?" sign will appear.
4. And then, click on the button with the "?" sign in the section where you have doubts, and a comment will be displayed with use instructions and interpretation.