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July 1984

Another Look at Long-term Visual Effects of Binocular Occlusion in Neonates-Reply

Author Affiliations

San Francisco

Arch Ophthalmol. 1984;102(7):970. doi:10.1001/archopht.1984.01040030776011

In Reply.  —I appreciate Dr Glass' detailed critical reanalysis of my study of the long-term visual effects of short-term binocular occlusion of at-risk neonates.1 As Glass correctly points out, a number of factors, including birthweight, gestational age, general neurologic status, duration of exposure to elevated levels of bilirubin, and so on, should be considered in evaluating the visual consequences of bilateral patching in this clinical setting. Although the duration of patching in these infants rarely exceeds three to five days, I share Glass' concern that visual abnormalities might result from this practice. More recent animal studies of binocularly deprived infant animals agree that the visual consequences of this experience are not minimal, as once thought.2 I wholeheartedly agree with Glass that more detailed studies of bilaterally patched neonates should be undertaken at this time.

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