A person's prescription for bifocals is - 0.25 diopter for distant vision and + 2.50 diopters for near vision, the near vision being accomplished by inserts into the distant vision lens. What is the net power of the near vision correction?
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Home » Physics » A person's prescription for bifocals is - 0.25 diopter for distant vision and + 2.50 diopters for near vision, the near vision being accomplished by inserts into the distant vision lens. What is the net power of the near vision correction?