• Seven infants with complete bilateral cataracts were operated on and fitted with extended-wear silicone contact lenses. The infants were matched to 16 normal control subjects. A modified preferential looking technique was used to assess visual acuity; the Bayley Scale of Infant Development was administered to measure psychological development. Of the seven infants with cataracts, those operated on prior to 8 weeks of age seemed to have normally developing vision. All others showed a substantial visual lag when compared with the control group. Bayley scores for infants operated on early (before 8 weeks) fell within the range of normal variability. The infants operated on later demonstrated a statistically significant lag in development. Also, a pendular nystagmus was noted in those infants with cataracts who were operated on later.
Rogers GL, Tishler CL, Tsou BH, Hertle RW, Fellows RR. Visual Acuities in Infants With Congenital Cataracts Operated on Prior to 6 Months of Age. Arch Ophthalmol. 1981;99(6):999–1003. doi:10.1001/archopht.1981.03930010999002
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