Jenny, age 16, and her mother Alice are looking at family photographs and focus on one of Arthur (Jenny’s dad and Alice’s husband). They interpret the expression on his face very differently. When Arthur gets home, he confirms Alice’s interpretation of the picture. Jenny’s error can be explained by the fact that ____.?

Some stroke victims lose the capacity to perceive motion but retain the capacity to perceive shapes and colors. Others lose the capacity to perceive colors but retain the capacity to perceive movement and form. These peculiar visual disabilities best illustrate our normal capacity for_______.

Fill in the blank(s) with the appropriate word(s).

What is a condition in which there is a progressive thickening of the lens, causing vision to become cloudy, opaque, and distorted?

a. macular degeneration b. cataracts c. glaucoma d. retinosis pigmentosa