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Macular Telangiectasia

Summary Macular telangiectasia (MacTel) manifests as retinal vascular anomalies in middle-aged or older adults. Abnormalities of the retinal capillary bed include vessel dilatation and tortuosity, aneurysms, vascular leakage, and deposition of hard exudates. Type I MacTel, thought to be a form of Coats’ disease, is typically unilateral and is more commonly seen in males. Telangiectatic blood vessels are seen temporal to the macula and are associated…

Dome-Shaped Macula

Summary A dome-shaped macula describes an inward or convex indentation beneath the macula that is distinct from posterior staphyloma and evident only on OCT imaging. They occur in approximately 20% of highly myopic eyes. Although the pathogenesis is not clearly understood, the best theory surmises that variation in scleral thickness under the macula results in a localized region where a dome-shaped, relative, inward bulge occurs (…

Myopic Macular Schisis

Summary Myopia is one of the most common causes for macular schisis. Other causes include juvenile X-linked retinoschisis, optic pits, and idiopathic. Macular schisis in the setting of high myopia is thought to be due to a mechanical effect as a result of abnormal axial elongation and progressive sclera thinning. Subsequent stretching or splitting of the macular layers occurs due to the induced abnormal vitreoretinal tractional…