Results of Early Treatment of Unilateral Congenital Cataracts

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Abstract
Twelve infants with unilateral congenital cataracts treated at Boston Children's Hospital between 1978 and 1986 have now reached the age of 3.5 years or older. All infants had cataract extractions, aphakic contact lens fitting, and occlusion of the unaffected eye by 6 months of age. Patients with posterior lenticonus or persistent hyperplastic primary vitreous were excluded from this review. Early improvement of visual acuity in the aphakic eye was monitored by preferential looking tests, and occlusion of the sound eye was adjusted accordingly. E card visual acuities are now available on all 12 children. Five patients have 20/70 or better visual acuity, three patients have between 20/100 and 20/400 vision, and four patients have less than 20/400 in the aphakic eye. Two patients whose cataract surgery was done after 4 months of age had the poorest visual results. Difficulty maintaining occlusion therapy and interruptions of contact lens wear limited the development of better vision in some patients. The visual results to date in these 12 patients suggest that early aggressive treatment of unilateral congenital cataracts is worthy of consideration in most instances.