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Nippon Ganka Gakkai Zasshi. 2017 Feb;121(2):146-9.

Invagination of Retinal Vein into Conus Pit in a Case with Pathologic Myopia.

[Article in Japanese]

Abstract

BACKGROUND:

Conus pits are reported to occur in eyes with pathologic myopia due to mechanical expansion of peripapillary region. We would like to report a case which had the peculiar pattern of a retinal vein at the site of conus pit.

CASE:

A 61-year old woman with pathologic myopia who had been regularly followed in the High Myopia Clinic at Tokyo Medical and Dental University. The refractive error was -21.4 diopters (D) in the right eye and -22.8 D in the left. The axial length was 32.0 mm in the right eye and 31.7 mm in the left. The optic disc was vertically elongated and deformed. Conus pit was observed temporal to the optic disc in the left eye. The retinal vein was invaginated into the conus pit and lay in an abnormal position. OCT showed that the entire sclera was dehisced at the conus pit.

CONCLUSION:

The invagination of the retinal vein occured at the site of conus pits due to pathologic myopia.

PMID:
30080006

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