keratoconus

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Introduction

Progressive thinning & rounding of cornea forming a cone shape.

Etiology

Epidemiology

Pathology

Genetics

Clinical manifestations

Management

  • finding a comfortable contact lens can be an extremely f frustrating & difficult process
  • poorly fitting lens could further damage the cornea & make wearing a contact lens intolerable
  • corneal transplantation
    • 90% succesful in patients with advanced keratoconus
    • 80% patients have 20/40 vision or better
  • prognosis
    • in most cases, the cornea will stabilize after a few years without ever causing severe vision problems
    • in 10-20%, the cornea will eventually become too scarred or will not tolerate a contact lens

More general terms

References

  1. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 2189
  2. Keratoconus http://www.nei.nih.gov/health/cornealdisease/index.asp#h
  3. NEJM Knowledge+ Ophthalmology
  4. 4.0 4.1 Dotinga R ADHD Tied to Keratoconus in Males. Excessive eye rubbing is often the culprit behind higher rates of this corneal ectasia. MedPage Today November 9, 2023 https://www.medpagetoday.com/ophthalmology/generalophthalmology/107243

Patient information

keratoconus patient information

Database