A kindergarten class is being screened by a group of nursing students using a Snellen E chart. Few of the children have 20/20 vision. Most have 20/30, and some have 20/40. What observation would the nursing students make to their instructor?
1. "These children have normal vision abilities."
2. "We should check into the health of these children. Maybe their diet is lacking in essential vitamins since they all have poor eyesight."
3. "These kids will all be wearing glasses when we come back next year."
4. "We should use a different eye chart. Maybe the kids would understand it better."
Correct Answer: 1
Rationale 1: Preschool children are generally farsighted and not able to focus on near objects. By the end of the preschool years, visual ability has improved. Normal vision for the 5-year-old is 20/30.
Rationale 2: Unless there are other concerns, these findings should be considered normal and further investigation would be unnecessary.
Rationale 3: This option does not reflect an understanding of normal physical development of a child.
Rationale 4: The Snellen E chart should be used to assess the preschooler's vision.
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