Skip to main content

collagen

Structural Protein

Plain-language definition

A protein providing structure to connective tissues. Collagen cross-linking is a treatment for keratoconus; collagen vascular diseases can affect the eyes.

Where this term comes up

  • “Riboflavin and UV-A light are used to create new chemical bonds between corneal collagen fibers, making the cornea stiffer.”

    Treatment · Corneal Cross-Linking (CXL)

  • “Chronic exposure to UV radiation, wind, and dust causes degenerative changes in the conjunctival tissue - specifically, the collagen fibers become altered (elastotic degeneration) and deposits of protein, fat, and calcium accumulate.”

    Condition · Pinguecula

  • “As you age, the vitreous gradually liquefies and develops clumps of collagen fibers.”

    Guide · What About Floaters and Flashes?

Category
Test or diagnostic term
Also written as
No alternate forms listed.

Diagnostic terms describe tests, measurements, imaging, or exam techniques used to understand eye and neuro-ophthalmic problems.

Related glossary terms

A note on medical context

A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.