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Bio > Refractive Errors > Flashcards

Refractive Errors Flashcards

1
Q

Myopia (short sightedness)

A

Light is focused in front of the retina, needs a concave lens to increase focal length.

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2
Q

Hyperopia (long sightedness)

A

Light is focused behind the retina, needs convex lens to increase refraction power

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3
Q

Astigmatism

A

Light is not focused but scattered in front and behind the retina

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4
Q

Presbyopia

A

Age related, lens loses flexibility, making it harder to focus on details

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Bio (4 decks)

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