Studying Infants Whose Cataracts Were Removed at Different Points in Development,Maurer

Multiple Choice

Studying infants whose cataracts were removed at different points in development,Maurer and colleagues discovered that those whose cataracts were removed and new lenses placed in their eyes __________ months after birth showed a normal pattern of visual development.

A) no more than nine
B) in the first several
C) six to twelve
D) at least twelve