Videokeratography in contact lens practice

Naoyuki Maeda, Stephen D. Klyce

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Irregular corneal astigmatism can severely reduce visual acuity. In such cases, functional vision is often restored with contact lenses, but not with spectacles or refractive surgery. Contact lens fitting is frequently more difficult in eyes with irregular astigmatism than it is in eyes with regular astigmatism. Evaluation of irregular astigmatism is important so that contact lens practitioners can use contact lenses to the patient's best advantage. Manual and automated keratometers, which are widely used in contact lens practice, can detect irregular astigmatism, but do not provide sufficient information to determine the type and extent of the topographic abnormality. Modern videokerato-scopes provide large area analysis of corneal topography to detect irregular astigmatism and to aid contact lens fitting.

Original languageEnglish
Pages (from-to)163-169
Number of pages7
JournalInternational Contact Lens Clinic
Volume21
Issue number9-10
DOIs
StatePublished - 1994

Keywords

  • Corneal topography
  • RGP contact lens fitting
  • irregular astigmatism
  • videokeratography

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