Snellen’s chart is used to assess defect in:

Correct option is C

Ans. (c) Eye
Sol. The Snellen chart is a tool used to assess visual acuity. It has rows of letters that decrease in size and is read from a specific distance to evaluate eyesight and detect refractive errors.
Explanation of each option:
· (a) Ear – Hearing is tested using an audiometer, not Snellen chart.
· (b) Nose – Smell is tested using olfactory tests.
· (c) Eye – Correct. Visual defects are tested with Snellen’s chart.
· (d) Finger – No use of Snellen chart in assessing finger function.