Difficulty: Easy
Correct Answer: Near-sightedness (image forms in front of the retina); corrected with concave lenses
Explanation:
Concept / ApproachMyopia = near-sightedness: parallel rays focus in front of the retina because the eyeball is too long and/or the cornea-lens system too powerful. A diverging (concave) lens moves the focal point back onto the retina.
Final AnswerNear-sightedness; corrected with concave lenses.
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