It involves inflammation of the outer layer of the eye and inside of the
eyelid. Eye redness may also be due to swollen or dilated blood vessels, which
cause the surface of the eye to look red, or bloodshot. It is often times an
- Bacterial or viral infection-
can be spread from person to person
- Blepharitis -- Swelling of
the eyelash along the edge of the eyelid.
- Conjuctivitis -- Swelling or
infection of the tissue that lines the eyelids and coats the surface of
the eye (the conjunctiva). This is often referred to as "pink
- Corneal ulcers-- Ulcers on
the outer covering of the eye, usually because of a bacterial or viral
- Uveitis -- Swelling of the
uvea, which includes the iris, ciliary body, and choroid. This is often
related to an autoimmune disorder, infection, or exposure to toxins.
Often, only the iris is inflamed, which is called iritis.
- Contact lens products, eye
drops, or eye ointments
- Straining or coughing This
can lead to a bright red, dense bloody area on the white part of the eye.
This is called a subconjunctival hemorrhage
It can cause swelling, itching, burning, discharge, sensitivity to light and
It is important to visit an eye doctor so as to establish a
diagnosis because treatment depends on cause.