Journal of the Korean Ophthalmological Society 1996;37(4):591-595.
Published online April 1, 1996.
The Potential Acuity Meter to Predict Postoperative Visual Acuity after Cataract Surgery.
Seung Tak Oh, Kang Ho Choi, Seung Jung Lim, Hong Bok Kim
Department of Ophthalmology, College of Medicine, Yonsei University, Seoul, Korea.
백내장수술 후 시력예측을 위한 Potential Acuity Meter 의 적용대상 , 방법 및 예측도
김홍복(Hong Bok Kim),오승택(Seung Tak Oh),최강호(Kang Ho Choi),임승정(Seung Jung Lim)
Abstract
The potential acuity meter(PAM) has been reported to be a useful instrument for predicting postoperative visual acuity after cataract extraction surgery. Forty nine eyes were tested with PAM before surgery, and the best postopertive visual acuity was obtained. The PAM accurately predicted the postoperative visual acuity to within three lines in 90.0% of the cases. When the test is in error, the tendency is for the PAM to underestimate the final acuity rather than to overestimate. Especially under undilated pupil, in dense cataracts (<20/200),and,in posterior subcapsular and cortical cataracts, the PAM tends to underestimate further.
Key Words: Cataract;Potential acuity meter;Visual acuity


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