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The Human Eye and Colourful World
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28/08/2021 7:06 pm
Topic starter
Fill in the following blanks with suitable words :
A person is short-sighted if his eyeball is too……………. Spectacles with a………… lens are needed.
A person is long-sighted if his eyeball is too……………. Spectacles with a …………. lens are needed. These focus light rays exactly on to the………..
1 Answer
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28/08/2021 7:07 pm
long, concave, short, convex, retina