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)
“As you age, the vitreous gradually liquefies and develops clumps of collagen fibers.”
Guide · What About Floaters and Flashes?
“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
- 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
- bilaterally
On Both Sides
- cornea
Clear Front Window
- sclera
White of the Eye
- thinning
Tissue Loss
- OCT
Optical Coherence Tomography
- pachymetry
Corneal Thickness Measurement
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.