During a preschool readiness examination, the nurse prepares to perform visual acuity screenings. Given the children's age, the best equipment to test central vision is which of the following?
a. Snellen test
b. E chart
c. Reading test
d. Penlight
ANS: B
The E chart is used when an individual is unable to read, as would be the case for a preschool-aged child. A Snellen chart and a reading test are too advanced for a preschooler's education level. A penlight is used to check light perception. Shine a penlight into the eye, and then turn it off. If the patient notes when the light is turned on or off, light perception is intact.
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