Certified Ophthalmic Assistant Practice Exam

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Starting with plan in retinoscopy, a "with" reflex is most commonly observed in which refractive error?

myopia
hyperopia
astigmatism
presbyopia

The correct answer is: hyperopia

In retinoscopy, when we observe a "with" reflex, it indicates a hyperopic refractive error. With hyperopia, the light is focused behind the retina, causing the retinoscopic reflex to move in the same direction as the movement of the retinoscope streak. This results in a "with" motion as opposed to a "against" motion which is typically seen in myopia where the light is focused in front of the retina. Astigmatism and presbyopia are conditions that can coexist with myopia or hyperopia, but they are not specifically associated with a "with" reflex in retinoscopy.