Change in mean surface area compared with normal corneas as a function of chord radius. Error bars are the SEs of the difference. The vertical dashed line represents the average limbus. Raw data for the single case of keratoglobus is plotted along with a best-fit function. Keratoconus cases are subdivided into 3 severity subgroups.
D indicates diopters.
Please close this browser window to return to the article. All rights reserved.