Correcting vision

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  • Created by: Ellie
  • Created on: 23-04-14 16:31
short sighted means you can't focus on
distant objects
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Short sight is caused by the eye ball being...
too long
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When the cornea and lens system are too powerful you are ...
short sighted
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To correct short sight you need to use a...
diverging lens
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Long sighted means you can't focus clearly on
near objects
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if the eye ball is too short and the cornea and lens are to weak you're
long sighted
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You correct long sighted vision by using a
converging lens
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used as an eye correcter. An alternative to glasses
Laser Eye Surgery
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a narrow intense beam of light
laser
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A laser can be used to vapourise the
cornea
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Other cards in this set

Card 2

Front

Short sight is caused by the eye ball being...

Back

too long

Card 3

Front

When the cornea and lens system are too powerful you are ...

Back

Preview of the front of card 3

Card 4

Front

To correct short sight you need to use a...

Back

Preview of the front of card 4

Card 5

Front

Long sighted means you can't focus clearly on

Back

Preview of the front of card 5
View more cards

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