10.1.2 - DEFECTS OF VISION AND THEIR CORRECTION
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Practice Questions
Test your understanding with targeted questions
What type of lens is used to correct myopia?
💡 Hint: Think about focusing light for near vision.
What is presbyopia?
💡 Hint: Consider your grandparents and their reading glasses.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is myopia?
💡 Hint: Think about whether the person sees better close up or far away.
True or False: Hypermetropia is also known as near-sightedness.
💡 Hint: Consider what is clear for someone with hypermetropia.
1 more question available
Challenge Problems
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A person has a myopic defect with a far point of 75 cm. Calculate the power of the corrective lens required.
💡 Hint: Think about the negative nature of concave lenses.
If a 60-year-old experiences difficulty reading and needs lenses to correct her vision, but her far sight is perfect, what type of lens should she consider, and why?
💡 Hint: Consider how her vision relates to age and distance.
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