Conjunctivitis is inflammation of the transparent tissue covering the white part of the eye and the inside of the eyelids.
It may be viral, bacterial, allergic or irritative. Symptoms can include redness, watering, itching, burning and discharge.
Significant pain, light sensitivity, reduced vision, contact-lens use or persistent symptoms require an eye examination because more serious conditions can also present as a red eye.
Some eye diseases begin without obvious symptoms. Learn why regular examinations matter and what factors determine the appropriate follow-up interval.
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Red eye can result from dryness or inflammation but can also signal urgent eye disease. Associated symptoms help determine when examination is needed.
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An overview of a medical eye examination, including vision measurement, focusing, eye pressure and assessment of the different structures of the eye.
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