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Aust N Z J Ophthalmol. 1995 Aug;23(3):217-20.

Ultrasound biomicroscopic features of spherophakia.

Author information

1
Department of Ophthalmology, Toronto Hospital, University of Toronto, Ontario, Canada.

Abstract

BACKGROUND:

Spherophakia is an uncommon diagnosis. This is the first case report of spherophakia evaluated by ultrasound biomicroscopy.

METHODS:

Ultrasound biomicroscopy is a new diagnostic technique developed by one of the authors and provides images with microscopic resolution of the anterior segment. A patient with spherophakia was evaluated by ultrasound biomicroscopy (Zeiss-Humphrey, 50MHz) before and after YAG laser iridotomy.

RESULTS:

Ultrasound biomicroscopic assessment revealed a shallow anterior chamber, a very steep anterior lens curvature, iridolenticular contact, elongated zonules, and an increased distance between the lens equator and the ciliary processes. Angle closure glaucoma was due to a pupil block mechanism. The pupil block was relieved by YAG laser iridotomy.

CONCLUSIONS:

Ultrasound biomicroscopy is a useful technique to confirm the diagnosis of spherophakia. The pupil block in spherophakia is relieved by YAG laser iridotomy.

PMID:
8534447
[Indexed for MEDLINE]

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