Progressive addition lenses--measurements and ratings

Jim Sheedy1, Raymond F Hardy, John R Hayes

  • 1The Ohio State University, College of Optometry, Columbus, Ohio 43210, USA. sheedy.2@osu.edu

Optometry (St. Louis, Mo.)
|February 7, 2006
PubMed
Summary

Optical analysis of progressive addition lenses (PALs) reveals significant differences in viewing zones and astigmatism. These findings aid eye care practitioners in selecting optimal PAL designs for patient visual needs.