What Power Contact Lens Must Be Used to Correct the Vision

question 18

Multiple Choice

What power contact lens must be used to correct the vision of a nearsighted person whose far point is 40 cm?

• A) 2.5 diopters
• B) -2.5 diopters
• C) -3.6 diopters
• D) -4.0 diopters
• E) 4.0 diopters

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