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Title: Bilateral chorioretinal coloboma discovered with ultra-wide field retinal imaging
Authors: Barnard, S
Shneor, E
Brauner, J
Millodot, M
Gordon-Shaag, A
Keywords: Absolute scotoma
Chorioretinal coloboma
Complications of coloboma
Issue Date: 2012
Source: Journal of optometry, 2012, v. 5, no. 3, p. 150-154 How to cite?
Journal: Journal of Optometry 
Abstract: Uveal coloboma results from incomplete closure of the optic cup fissure. While conducting an evaluation of a new ultra-wide field retinal imaging camera (Optomap), which provides a view of the fundus up to 200° at one time without mydriasis, we discovered a case of bilateral chorioretinal coloboma in a 21-year-old student. The lesion was located in the midperiphery of each eye less than 2 disc diameters (DD) below the optic disc in the inferonasal quadrants. The size of the coloboma in the right eye was 1.8 DD in height and 1.3 DD in width, while the left lesion was 2.4 DD in height and 2.6 DD in width. The subject was totally asymptomatic and without any complication such as retinal detachment or choroidal neovascularization, which often accompany this type of lesion. The visual field of each eye displayed an absolute scotoma corresponding to the size and location of the coloboma. No management was necessary but the subject was advised to report for visual examination at regular intervals because complications can occur at any age.
ISSN: 1888-4296
DOI: 10.1016/j.optom.2012.06.005
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