Biometric variables in patients with occludable anterior chamber angles.

Abstract

Biometric studies of the ocular dimensions in eyes with narrow anterior chamber angles provide insight into the pathophysiology of pupillary block and may show which eyes are more prone to develop angle-closure glaucoma. We reviewed the records of 56 patients with occludable angles examined between 1980 and 1984. Initial biometric data obtained on the patients included corneal diameter, anterior chamber depth, lens thickness, and ocular axial length. The average length of follow-up was five years. Of 54 patients with complete clinical records, 20 (37%) eventually required peripheral iridectomy after a mean duration of 16 months from the initial examination. Cox's survival analysis showed a strong correlation between shortened duration to peripheral iridectomy and increasing lens thickness/ocular axial length ratio factor (P = .03). No other variables were significantly related to outcome. This suggests that the lens thickness/ocular axial length ratio may be useful as a predictor of clinical outcome in narrow-angle glaucoma.

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@article{Panek1990BiometricVI, title={Biometric variables in patients with occludable anterior chamber angles.}, author={W C Panek and Robert E. Christensen and David A Lee and Doreen T. Fazio and Leslie E. Fox and T V Scott}, journal={American journal of ophthalmology}, year={1990}, volume={110 2}, pages={185-8} }