Harry is a 90-year-old man. He shows impaired visual acuity and color vision in both eyes, though his peripheral vision is unimpaired. He has difficulties reading even with powerful reading glasses. Your diagnosis?
A. retinitis pigmentosa
B. macular degeneration
C. cataracts
D. heterochromia
Answer: B
You might also like to view...
Both the _____ test and the _____ test are used with between-subjects designs
a. Friedman; Kruskal-Wallis b. Friedman; Wilcoxon matched-pairs signed-ranks T c. Kruskal-Wallis; Wilcoxon rank-sum d. Wilcoxon rank-sum; Friedman
Your friend wants to break the habit of overeating. What suggestions might you give her?
What will be an ideal response?
Describe whether you are wise by applying the characteristics found in wise people.
What will be an ideal response?
It is difficult to distinguish between colors at night because
a. we are seeing primarily with the cones. b. rods do not adapt to the dark. c. we are seeing primarily with the rods. d. we are used to seeing mostly with the fovea. e. visual accommodation cannot occur in the dark.