vision was investigated with behavioural and electrophysiological techniques in three groups of cats : ( a ) two normally raised kittens in which one eye was rotated at an age of 3 months , ( b ) three adult cats in which one eye had been rotated and the other closed 6 months prior to recording , ( c ) two adult cats in which first one eye had been rotated and the other closed and subsequently , after one year , the rotated eye had been closed and the normal eye re-opened .
C0042789
vision
C0015392
eye