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184. We denote by πΏβ the distance to PP (punctum proximum) and by Ξβ the distance to PR (punctum remotum). Choose the true statement about optical amplitude:A. is expressed in units of length (m, cm, mm) B. it does not depend on age C. it is different for a normal eye or for a myopic or hyperopic eye D. is equal to about 2.5 diopters for a 10-year-old child and increases to 14 diopters for a 40-year-old adult E. is the difference between the inverses of the extreme clear vision distances (1/Ξ΄ β 1/Ξ)
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