Prediction of central posterior corneal curvature and shape factor are possible through the evaluation of anterior curvature and shape in patients with keratoconus, according to a study.
The study included 61 eyes of 61 patients between the ages of 14 and 64 years with keratoconus. The patients were examined for anterior and posterior mean corneal radius for 3 mm, 5 mm and 7 mm, anterior and posterior mean shape factor for 4.5 mm and 8 mm, central and minimal corneal thickness, and anterior chamber depth.
Central posterior mean corneal radius was correlated with anterior mean corneal radius, central corneal thickness, anterior chamber depth and spherical equivalent (R2 ≥ 0.88, P < .01). Age and 8 mm anterior shape factor were correlated with 8 mm posterior shape factor (R2 = .89, P < .01).
Anterior corneal curvature, corneal thickness, anterior chamber depth and refractive status of the eye were correlated with the posterior corneal surface of a keratoconus eye, according to the authors.
Disclosure: The study authors report no relevant financial disclosures.