Diseases

Keratoconus

A noninflammatory, usually bilateral protrusion and thinning of the CORNEA, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. Two closely related noninflammatory corneal ectasias are pellucid marginal degeneration and keratoglobus.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A noninflammatory, usually bilateral protrusion and thinning of the CORNEA, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. Two closely related noninflammatory corneal ectasias are pellucid marginal degeneration and keratoglobus.

MeSH Record

Classification

Broader headings

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MeSH Record

Synonyms

6 entry terms
  • Keratoglobus
  • Pellucid Marginal Corneal Degeneration
  • Pellucid Marginal Degeneration
  • Degeneration, Pellucid Marginal
  • Marginal Degeneration, Pellucid
  • Pellucid Marginal Degenerations

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

cone-shaped protrusion of cornea

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

WW 225

AMA Style

References

  1. National Library of Medicine. Keratoconus. Medical Subject Headings (MeSH). 2026. Unique ID D007640. http://id.nlm.nih.gov/mesh/2026/D007640
  2. Keratoconus. In: Wikipedia. https://en.wikipedia.org/wiki/Keratoconus
  3. Keratoconus. In: Wikidata. https://www.wikidata.org/wiki/Q611984