Diseases

Cataract

Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)

MeSH Record

Classification

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MeSH Record

Synonyms

11 entry terms
  • Cataracts
  • Cataract, Membranous
  • Lens Opacities
  • Pseudoaphakia
  • Cataracts, Membranous
  • Lens Opacity
  • Membranous Cataract
  • Membranous Cataracts
  • Opacities, Lens
  • Opacity, Lens
  • Pseudoaphakias

MeSH Record

Aspects Covered

34 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, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

lens opacity; do not confuse entry term PSEUDOAPHAKIA (a synonym for membranous cataract) with PSEUDOPHAKIA, the presence of an intraocular lens after cataract extraction

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NLM Classification

WW 260

AMA Style

References

  1. National Library of Medicine. Cataract. Medical Subject Headings (MeSH). 2026. Unique ID D002386. http://id.nlm.nih.gov/mesh/2026/D002386
  2. Cataract. In: Wikipedia. https://en.wikipedia.org/wiki/Cataract
  3. Cataract. In: Wikidata. https://www.wikidata.org/wiki/Q127724