Fitting an MSD (Mini Scleral Design) rigid contact lens in advanced keratoconus with INTACS

Kristine Dalton*, Luigina Sorbara

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Keratoconus is a bilateral degenerative disease characterized by a non-inflammatory, progressive central corneal ectasia (typically asymmetric) and decreased vision. In its early stages it may be managed with spectacles and soft contact lenses but more commonly it is managed with rigid contact lenses. In advanced stages, when contact lenses can no longer be fit, have become intolerable, or corneal damage is severe, a penetrating keratoplasty is commonly performed. Alternative surgical techniques, such as the use of intra-stromal corneal ring segments (INTACS) have been developed to try and improve the fit of rigid contact lenses in keratoconic patients and avoid penetrating keratoplasties. This case report follows through the fitting of rigid contact lenses in an advanced keratoconic cornea after an INTACS procedure and discusses clinical findings, treatment options, and the use of mini-scleral and scleral lens designs as they relate to the challenges encountered in managing such a patient. Mini-scleral and scleral lenses are relatively easy to fit, and can be of benefit to many patients, including advanced keratoconic patients, post-INTAC patients and post-penetrating keratoplasty patients.

Original languageEnglish
Pages (from-to)274-281
Number of pages8
JournalContact Lens and Anterior Eye
Volume34
Issue number6
Early online date12 Jun 2011
DOIs
Publication statusPublished - Dec 2011

Keywords

  • INTACS
  • keratoconus
  • rigid contact lenses
  • scleral contact lenses

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