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Ophthalmic Technician

Category - Visual Assessment

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Allen cards can be used to measure the visual acuity of

the elderly.
teenagers.
patients with astigmatism.
preschool-age children.

Explanation

Answer: D - preschool-age children.

Allen cards can be used to measure the visual acuity of preschool-age children. Allen cards display simple pictures that a young child can recognize. The cards are designed to be looked at from 30 feet away.

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