Visual acuity is a measure of the sharpness of vision. It is typically measured using eye charts, such as the Snellen chart, and is expressed as a fraction, such as 20/20.
What is visual acuity?
Asked in JE(Civil) RWD 2021 22 2021 · Topic: Optics (Optical Instruments: microscopes, telescopes, human eye)
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Answer: A. It refers to our ability to discern the shapes and details of the things we see
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