Question

1. Patrick sits for an examination in the classroom.
Before the examination starts, he takes off his glasses to relax.

(a) Patrick cannot see the clock on the wall clearly without wearing the glasses.
What kind of eye defect does he suffer from?

(b) Suggest TWO causes of this eye defect.

Answer 1

Answer:

firstly he cannot see the things without spectacle and second thing is he was nervous and very tention about the examination .

Explanation:

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Answer 2

Answer:

a. Patrick is suffering from myopia.

b. Eye balls is too long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on its surface.

Myopia may be due to genetics.

Explanation:

In Myopia, the common vision condition in which you can see objects near to you clearly, but objects farther away are blurry.