• Of 51 patients with congenital glaucoma, 13 had unilateral and 38 bilateral disease. Pressure was controlled at 8 to 24 mm Hg in 76 of the 89 affected eyes. Forty-one of these 76 eyes had visual acuity poorer than 6/15 (20/50); optic nerve damage as shown by visual field testing was the cause in 20, and medial opacities, including irregular corneal astigmatism, was the cause in 15. In only six eyes did the poor vision result from anisometropic amblyopia.
Morin JD, Bryars JH. Causes of Loss of Vision in Congenital Glaucoma. Arch Ophthalmol. 1980;98(9):1575–1576. doi:10.1001/archopht.1980.01020040427005
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