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New options for aniseikonia correction: the use of high index materials.

Abstract
The increased popularity of refractive surgery, intraocular lenses, and penetrating keratoplasty has resulted in larger numbers of anisometropes with aniseikonia. We have analyzed the effects of the new high index glass and plastic spectacle lens materials on the design of eikonic lenses sometimes used for these patients. Our results demonstrate that high index materials allow thinner and flatter lens designs. Thus, higher levels of aniseikonia correction and improved cosmetic appearance of eikonic spectacle lenses can be achieved. We present shape magnification nomographs that facilitate eikonic lens design with these materials.
AuthorsG L Stephens, M Polasky
JournalOptometry and vision science : official publication of the American Academy of Optometry (Optom Vis Sci) Vol. 68 Issue 11 Pg. 899-906 (Nov 1991) ISSN: 1040-5488 [Print] United States
PMID1766654 (Publication Type: Journal Article)
Chemical References
  • Plastics
Topics
  • Aniseikonia (therapy)
  • Equipment Design
  • Eyeglasses
  • Glass
  • Humans
  • Optics and Photonics
  • Plastics
  • Refractometry

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