October 2018 1 24 Report
Seorang penderita presbiopi memiliki titik dekat 50 cm hendak membaca pada jarak baca normal, maka ia memerlukan kaca mata berkekuatan..
A. -2 dioptri
B. -1/2 dioptri
C. +1/2 dioptri
D. +2 dioptri
E. +4 dioptri
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