Extent of recovery from the effects of visual deprivation in kittens.

Seven kittens were used, and the various procedures of deprivation and subsequent studies are summarized in Table 1. In six animals the Iids of one eye were closed for the first 3 months of life. In the recovery period two of these kittens had the deprived eye opened. The other four had the deprived eye opened and the other (previously open) eye was closed. The seventh animal had both eyes closed for 3 months; the right eye was then opened. Recovery periods