Potential Acuity Meter for Potential Predicting Visual Acuity after Nd:YAG Posterior Capsulotomy

William E. Smiddy, Diane Radulovic, Julia H. Yeo, Walter J. Stark, A. Edward Maumenee

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

We studied 30 patients with opacifications of the posterior capsule to determine if the potential acuity meter (PAM) could accurately predict final visual outcome after Nd:YAG discussion. The final visual acuity was within one line of the PAM prediction in 22 of 30 patients (73%), better by two or more lines in seven patients (23%), and worse in one patient (4%) by two lines. Although in thicker capsules the final acuity was occasionally better than the PAM prediction, the rates of false negative and false positive predictions were very low. Mild cystoid macular edema (3 patients), age-related macular degeneration (3 patients), intraocular lens status, and level of initial acuity did not diminish PAM accuracy. The PAM effectively predicts final visual acuity after YAG posterior capsulotomy, when used in a patient, unhurried manner.

Original languageEnglish (US)
Pages (from-to)397-400
Number of pages4
JournalOphthalmology
Volume93
Issue number3
DOIs
StatePublished - Jan 1 1986
Externally publishedYes

Keywords

  • YAG capsulotomy
  • potential acuity meter

ASJC Scopus subject areas

  • Ophthalmology

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