Llygad coch

Mae llygad coch yn broblem gyffredin a all ddigwydd mewn un llygad neu'r ddau. Daw'r gochni o'r llongau gwaed ar wyneb y llygad. Mae'r llongau gwaed hyn yn ehangu neu'n ehangu oherwydd llid neu glefyd.

Allergies Blepharitis (a condition that causes eyelid inflammation) Chalazion or stye, which comes from inflammation in the glands of your eyelid Complication from a recent eye surgery Contact lens complication Corneal abrasion (scratch): First aid Corneal herpetic infection or herpes Corneal ulcer Dry eyes (caused by decreased production of tears) Ectropion (a condition in which the eyelid turns outward) Entropion (a condition in which the eyelid turns inward) Episcleritis, which is inflammation of the covering of the white part of the eye Eye drops side effect or complication Floppy eyelid syndrome, which happens when the eyelid can easily fold on itself Foreign object in the eye: First aid Glaucoma (which is a group of conditions that damage the optic nerve) Hay fever (also known as allergic rhinitis) Injury, such as from a blunt trauma or a burn Iritis (which is inflammation of the colored part of the eye) Keratitis (a condition involving inflammation of the cornea) Orbital cellulitis, which is an infection of the area around the eye Pink eye (conjunctivitis) Scleritis (which is inflammation of the white part of the eye) Subconjunctival hemorrhage (broken blood vessel in eye)