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Article
July 1986

Parafoveal Telangiectasis and Diabetic Retinopathy

Arch Ophthalmol. 1986;104(7):972. doi:10.1001/archopht.1986.01050190030009
Abstract

To the Editor.  —I read with interest the discussion of the relation between parafoveal telangiectasis and diabetic retinopathy by Chew et al in the January 1986 issue of the Archives.1 I would like to add personal observations regarding the differential of telangiectasia and discuss the association between primary telangiectasia and diabetes mellitus.Of 16 patients with primary parafoveal telangiectasis seen at the Retina Service of Albert Einstein College of Medicine, Bronx, NY, between June 1977 and February 1978, two patients had mild diabetes mellitus. The following findings characterized our patients with primary telangiectasis: small foveal avascular zone, and localized, temporally located, spider-patterned or club-shaped dilated capillaries with overlying retinal pigment epithelial changes. However, telangiectasia in diabetes mellitus is characterized by diffuse microaneurysmal dilatation adjacent to an enlarged foveal avascular zone. The finding of primary telangiectasis in five diabetic patients is most probably coincidental (population bias) because localized telangiectasia is

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