Prescription AnalysisCâu 39 / 100
Monocular PD is measured from what to what?
a.Pupil to pupil
b.Ear to ear
c.Lens edge to lens edge
d.The center of the bridge of the nose to the center of each pupil
Giải thích
Monocular PD is the distance from the center of the nasal bridge to the center of each pupil individually. It accounts for facial asymmetry better than a single binocular PD.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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