Minimum Corneal Diameter and Anterior Steep Axis Curvature Share the Same Meridian: A Novel Finding.

Purpose: To define the external scleral sulcus (ESS) on a Scheimpflug image and use it for a morphometric analysis of corneal diameter (CD).

Design: Retrospective, cross-sectional study of pediatric Asian-Indian eyes.

Methods: One random eye of 353 subjects between 5 and 18 years underwent 25-scan Pentacam HR imaging.