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Ophthalmic Assistant

Category - Lensometry and Spectacle Skills

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If a patient has diplopia in both eyes, it may be corrected with what type of lens?

Plus lens
Minus lens
Prism lens
A spherocylinder in each lens

Explanation

Answer: C - Prism lens

If a patient has diplopia in both eyes, it may be corrected with a prism lens. A prism is a wedge-shaped piece of glass or plastic that bends the light that passes through it and can train the diplopic eyes to align themselves.

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