Critical base curve and diameter interval in the fitting of spherical soft contact lenses

Gerald E. Lowther*, Alan Tomlinson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

The effect of base curve and diameter variation on the fit of DuraSoft lenses was evaluated in terms of eight clinical fitting criteria: refraction, lens position, centering ability, stability of vision, amount and direction of movement, subjective comfort, and corneal physiological response. The minimum or critical intervals of base curve and diameter change necessary to produce significant changes in these criteria were determined. The results are discussed in relation to the design of diagnostic sets of lenses and the changes necessary to produce effective variations in clinical fit.
Original languageEnglish
Pages (from-to)355-360
Number of pages6
JournalOptometry and Vision Science
Volume58
Issue number5
DOIs
Publication statusPublished - May 1981
Externally publishedYes

Keywords

  • Base curve
  • Contact lenses
  • Diameter changes
  • Fitting criteria

ASJC Scopus subject areas

  • Ophthalmology
  • Optometry

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