Endophthalmitis is an inflammation of the inside of the eye. Inflammation affects the vitreous fluid in center of the eye. Vitreous fluid is a clear, gel-like substance. The inflammation can extend to surrounding tissues responsible for vision. Endophthalmitis is rare.
In most cases, an infection triggers this inflammation. The infection can be caused by:
In the United States, most cases result from bacterial infections that follow eye surgery. For example, the condition may follow a procedure to treat cataracts or glaucoma. Bacteria also can enter the eye through an injury that pierces the eye.
Less often, an infection from elsewhere in the body can travel to the eye through the blood.
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