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More cards in this set
Card 26
Front
What does the diverging lens do?
Back
Card 27
Front
What is a different between a diverging lens and a converging lens over than refraction?
Back
Card 28
Front
What does it mean to be long-sighted?
Back
Card 29
Front
What does it mean to be short-sighted?
Back
Card 30
Front
What are the causes of short-sightedness?
Back
Card 31
Front
What are the causes of long-sightedness?
Back
Card 32
Front
What are the three methods of treating sight problems?
Back
Card 33
Front
What lens is used to treat long-sightedness, and what other lens is used to treat short-sightedness?
Back
Card 34
Front
Where do long-sighted peoples light rays focus when focusing on near objects?
Back
Card 35
Front
Where do short-sighted peoples light rays focus when focusing on distant objects?
Back
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