When taking the presenting history of red eye, it is important to consider the serious vision-threatening diagnoses along with more common causes. By including key questions and noting down pertinent negative features, the differential diagnosis can be narrowed and a decision can be made on whether referral for further ophthalmological treatment is required or treatment can be given in the primary care setting. Red eye. A foreign body or trauma is usually unilateral, whereas conjunctivitis may start as unilateral and then become bilateral.
Red eye Causes - Mayo Clinic
Most of the time, a case of red eye is short-lived and disappears on its own. Sometimes, however, red eyes can be caused by a more serious condition. The following danger symptoms in a red eye should be evaluated by a medical professional. Blurry vision is often associated with serious ocular disease. If your eye is red and your vision is blurry, something significant is going on. You need an evaluation to determine what is causing both symptoms.
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Red eyes can be the sign of a minor irritation or a serious medical condition, such as an infection. Bloodshot or red eyes occur when small blood vessels that are present on the surface of the eye become enlarged and congested with blood. This happens due to an insufficient amount of oxygen being supplied to the cornea or the tissues covering the eye. Bloodshot eyes by themselves are generally not a reason to be overly concerned, but when coupled with eye pain, abnormal drainage, or impaired vision this can indicate a serious medical problem. Conjunctivitis is also known as pink eye and is mostly caused by viruses, which may be spread by the hands.