Wize University Psychology Textbook > Sensation & Perception
Nearsightedness & Farsightedness
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Nearsightedness & Farsightedness
Nearsightedness (or myopia) happens when the image is focused in front of the retina, usually because the eye is too long.
Nearsightedness is corrected using a concave lens.
Farsightedness (or hyperopia) happens when the image is focused behind the retina, usually because the eye is too short.
Farsightedness is corrected using a convex lens.
Practice: Nearsightedness and Farsightedness
Steve goes to his optometrist and is given a prescription for glasses. When he gets home he notices that they are concave. This suggests that he is _____ and without glasses has difficulty seeing things that are ______