Macular telangiectasia type 1

MONDO:0018146

A rare, acquired, macular telangiectasia characterized by unilateral (rarely bilateral) abnormally dilated and tortuous capillaries around the fovea, associated with multiple arteriolar and venular aneurysms, lipid depositions, and intra-retinal cystoid degeneration. It leads to vision loss due to macular edema with hard exudates.

Also known as: aneurysmal telangiectasia, idiopathic macular telangiectasia type 1, visible and exudative idiopathic juxtafoveolar retinal telangiectasis

10 clinical trials for this condition and its sub-types.

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Broader categories

Disease (618) Eye disorder (97) Human disease (14) Disorder of orbital region (3) Disorder of visual system (1) Idiopathic disease (1) Macular telangiectasia (1) Disease by body system or component (0) Disease by etiologic mechanism (0)

Trials to join now! 7 Not yet finished but already full! 1 Terminated 2

Free eye tests aim to catch vision loss early in harlem and washington heights

Knowledge-focused Ongoing

This study offers free vision screenings to underserved adults over 40 living in affordable housing in Harlem and Washington Heights. The goal is to find eye problems like glaucoma, cataracts, and diabetic retinopathy early and connect people with follow-up care. About 749 partic…

Phase: NA • Sponsor: Columbia University • Aim: Knowledge-focused

Last updated Jun 27, 2026 07:54 UTC

Macular telangiectasia type 1

Broader categories

Free eye tests aim to catch vision loss early in harlem and washington heights