单选题 A parent reports that his 2-year-old child often fails when running. The nurse interprets this as indicating which of the following as a normal aspect of a toddler's vision?
A. Near-sightedness.
B. Far-sightedness.
C. Binocular vision.
D. Strabismus.

【正确答案】 A

【答案解析】Until age 7 years, children are normally myopic and nearsighted. Additionally toddlers lack motor coordination and their depth perception is not well developed, placing them at risk for falling.