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The sensitivity of a new device which is able to measure the thickness of the retina at the posterior pole (Retinal Thickness Analyzer), was assessed in a group of 21 glaucomatous patients, and in 24 patients with ocular hypertension. The specificity of RTA was evaluated in a control group of normal eyes. Of the glaucomatous eyes, 57.6% had a significant reduction in retinal thickness, while an-other 30.3% were borderline. In the ocular hypertension group, 37.5% of eyes were abnormal, and 45.8% were borderline. In the control group, no eye was abnormal, although 42.9% had borderline alterations. In many glaucomatous eyes (81.8%), there was a relationship between retinal thickness loss and visual field defects.
Dr P. Brusini, Department of Ophthalmology, General Hospital of Udine, Udine, Italy
2.13 Retina and retinal nerve fibre layer (Part of: 2 Anatomical structures in glaucoma)