Type 1 Macular Telangiectasia- September 2020

Bilateral visual acuity of a 46-year-old male patient who complained of metamorphosis in the right eye for three months was measured as 20/20. The multicolor, fundus autofluorescence, OCT and early and late phase fluorescein angiography images of both eyes are shown below. Could you determine the correct diagnosis?

The answer to the question is ‘’Right Type 1 Macular Telangiectasia’’. As a result of the lottery drawn among those who answered the question correctly, Mr. Mustafa Atas won this month’s book prize. Congratulations to him.

There are three types of macular telangiectasia. Type-1 macular telangiectasia is congenital and often unilateral (97%). It is more common in males. It is not associated with any systemic disorder and it is thought to be a form of Coats disease. 



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