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Causes
What are the causes of red eyes |
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allergic conjunctivitis |
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- Allergic conjunctivitis is swelling and redness of the membrane that lines the eye. It is caused by exposure to foreign matter. The affected part of the eye is called the conjunctiva. The conjunctiva is the mucous membrane layer that covers the white part of the eye. |
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chalazion |
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- A chalazion is a mass or cyst in the upper or lower eyelid that is benign, or non-cancerous. Chalazions are often chronic, which means that they recur frequently. |
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blepharitis |
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- Blepharitis is an inflammation of the eyelid. It develops at the place where the mucous membrane on the underside of the lid joins the skin on the top of the lid. It occurs in both children and adults. The condition can be chronic and recur. |
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scleritis |
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- The sclera is the white, outer coat of the eye. When this area becomes inflamed, the condition is called scleritis. |
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corneal ulcers and infections |
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- The cornea is the clear window on the front of the eye that covers the coloured iris and pupil. There are different types of corneal ulcers. The ulcers may be cause by bacteria, a virus or fungus. The corneal tissue breaks down starting at the surface. Poor healing can cause an ulcer to form. |
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endophthalmitis |
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- Endophthalmitis is an inflammation inside the eye caused by an infection. It is a serious condition that can lead to permanent loss of vision, or visual impairment. |
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eye pain |
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- Eye pain refers to any discomfort in the area of the eye. |
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foreign object in the eye |
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- Sometimes small objects get under the eyelid but do not penetrate the eyeball itself. These can cause irritation and discomfort in the eye and must be removed. |
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neonatal conjunctivitis |
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- Conjunctivitis is an inflammation of the membranes that line the eyelid or the eye. In some cases it is caused by allergies or infections. It can also be brought on by irritants or toxins. Sometimes, another type of illness in the body can cause the problem. When the condition occurs in babies under 4 weeks old, it is called neonatal conjunctivitis. |
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conjunctivitis |
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Reiter's syndrome |
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stye |
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trachoma |
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- Trachoma is a highly contagious infection of the eyes. Trachoma is caused by an organism called Chlamydia trachomatis. |
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slit lamp examination |
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- In this procedure, the doctor examines the structures in the front of the eye with a magnifying device and special light called a slit lamp. This helps show any abnormalities of the cornea, sclera, lens, conjunctiva, or eyelids. |
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