The most common refractive error of childhood is
A. myopia.
B. hyperopia.
C. astigmatism.
D. amblyopia.
Question 2Which is the most likely prescription for a preschool child with a very short eyeball?
A. -3.0 diopters
B. 5.0 diopters
C. +2.0 diopters
D. + 6.0 diopters
Question 3All of the following are true about children with achromatopsia except:
A. they have problems distinguishing between colors in small patterns.
B. they have an X-linked trait.
C. they have problems with eye-hand coordination.
D. it affects 1 in 12 males and 1 in 200 females.
Question 4Which of the following is not considered normal vision for a child below third grade?
A. vision of 20/50 or better in each eye
B. vision of 20/40 or better in each eye
C. vision of 20/30 or better using both eyes
D. none of the above are normal for a child this age.
Question 5Vision may be limited in all of the following ways except:
A. visual acuity.
B. field of vision.
C. color vision.
D. optical interference.
Question 6Discuss vision, the visual system, and problems that can occur in this system that impact a childs vision. Give examples of particular problems and their impact on the developing child.
What will be an ideal response?
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