Question

how to check our eye site..????​

Answer 1

Steps to check your eye sight:

1. Place yourself 40 centimeters from the screen. 1 m 40 cm.
2. If you have glasses for distance vision or glasses with progressive lenses, keep them on.
3. Without pressing on the eyelid, cover your left/right eye with your hand.
4. Indicate if you see lines that are darker.

Hope it helps you in UPSC exam....

Answer 2

Answer:

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✳️How to Use the Eye Chart

1. Print the free eye chart on regular 8 1/2 x 11-inch paper.
2. Tack or tape the chart to a windowless wall in a well-lit room at eye level.
3. Measure ten feet from the wall.
4. Cover one eye (if you wear glasses for distance vision, keep them on)