More cards in this set

Card 16

Front

Long-sightedness occurs when the eyeball is...

Back

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Card 17

Front

Short-sightedness occurs when the eyeball is...

Back

Preview of the front of card 17

Card 18

Front

A concave lens can be used to correct...

Back

Preview of the front of card 18

Card 19

Front

A convex lens can be used to correct...

Back

Preview of the front of card 19

Card 20

Front

An alternative to glasses or contact lenses is...

Back

Preview of the front of card 20

Card 21

Front

Binocular vision is when...

Back

Preview of the front of card 21