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Abstract #60759 Published in IGR 16-4
Ocular Biometrics of Myopic Eyes With Narrow Angles
Chong GT; Wen JC; Su DH; Stinnett S; Asrani SJournal of Glaucoma 2016; 25: 140-144
PURPOSE: The purpose of this study was to compare the ocular biometrics between myopic patients with and without narrow angles. METHODS: Patients with a stable myopic refraction (myopia worse than -1.00 D spherical equivalent) were prospectively recruited. Angle status was assessed using gonioscopy and biometric measurements were performed using an anterior segment optical coherence tomography and an IOLMaster. RESULTS: A total of 29 patients (58 eyes) were enrolled with 13 patients (26 eyes) classified as having narrow angles and 16 patients (32 eyes) classified as having open angles. Baseline demographics of age, sex, and ethnicity did not differ significantly between the 2 groups. The patients with narrow angles were on average older than those with open angles but the difference did not reach statistical significance (P=0.12). The central anterior chamber depth was significantly less in the eyes with narrow angles (P=0.05). However, the average lens thickness, although greater in the eyes with narrow angles, did not reach statistical significance (P=0.10). Refractive error, axial lengths, and iris thicknesses did not differ significantly between the 2 groups (P=0.32, 0.47, 0.15). CONCLUSIONS: Narrow angles can occur in myopic eyes. Routine gonioscopy is therefore recommended for all patients regardless of refractive error.
*Department of Ophthalmology, Duke University Eye Center, Durham, NC †Singapore National Eye Centre, Singapore, Singapore.
Full articleClassification:
8.1 Myopia (Part of: 8 Refractive errors in relation to glaucoma)
6.12 Ultrasonography and ultrasound biomicroscopy (Part of: 6 Clinical examination methods)
2.4 Anterior chamber angle (Part of: 2 Anatomical structures in glaucoma)
