Study Question and Answer on visual acuity.(That is eye test)

Snelling eye chart test may be used during the assessment of visual acuity.What does it mean if a patient has acuity of 20/40 in both eyes?.

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A.It means that patient has perfect vision better than 2020.

B.It means normal vision of 20/20.

C.Double and close to triple vision.

D.The vision is less than normal vision. Correct answer is D.

Rationale: A normal vision is 20/20.A vision of 20/40 is less than normal.

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