Intraocular lens power calculations: A practical evaluation in normal subjects at the wilmer institute

Research output: Contribution to journalArticlepeer-review

Abstract

The practical value of preoperative intraocular lens power calculations in “normal” eyes with less than 4.50 diopters (D) of myopia or hyperopia was evaluated in a consecutive series of 520 eyes that underwent cataract extraction and lens implantation by four experienced surgeons at The Wilmer Ophthalmological Institute. The observed postoperative results with the lenses selected by the surgeons were compared with results calculated for the measurement-predicted emmetropic power lens and for a standard 20-D lens. The need for postoperative spectacle correction of residual refractive errors was comparable for all three choices of lens. Only two eyes (0.4%) would have developed greater than 4.00 D of refractive error with either the “implanted” or “predicted-emmetropic” lenses, as would 11 eyes (2.1%) with the “standard” 20-D lens. The surgeons' deviation from the calculated emmetropic lens did not reduce postoperative refractive error.

Original languageEnglish (US)
Pages (from-to)1046-1050
Number of pages5
JournalArchives of ophthalmology
Volume105
Issue number8
DOIs
StatePublished - Aug 1987

ASJC Scopus subject areas

  • Ophthalmology

Fingerprint

Dive into the research topics of 'Intraocular lens power calculations: A practical evaluation in normal subjects at the wilmer institute'. Together they form a unique fingerprint.

Cite this