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cornea

Clear Front Window

Plain-language definition

The clear, dome-shaped front surface of the eye that bends light as it enters, providing about two-thirds of the eye's focusing power.

Where this term comes up

  • “Corneal topography is a non-invasive imaging technique that creates a detailed map of the surface curvature of the cornea, the clear front window of the eye.”

    Test · Corneal Topography

  • “Corneal cross-linking (CXL) is a stabilizing procedure rather than a vision-correction procedure.”

    Treatment · Corneal Cross-Linking (CXL)

  • “A corneal abrasion is a scratch or scrape on the cornea, the clear, protective outer layer at the front of your eye.”

    Condition · Corneal Abrasion

Category
Anatomy
Also written as
corneal, corneas

Anatomy terms name the eye, orbit, optic nerve, retina, or visual pathway structures that may appear in an exam note or imaging report.

Related glossary terms

  • OCT

    Optical Coherence Tomography

  • conjunctiva

    Eye Surface Membrane

  • MRI

    Magnetic Resonance Imaging

  • autoimmune

    Self-Attacking Immune Response

  • FDA

    Food and Drug Administration

  • macula

    Central Retina

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.