A 46-year-old male has presented to the emergency department because of the eye pain, severe ...

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Symptoms of acute angle-closure glaucoma are related to sudden, intermittent increases in intraocular pressure. These occur after prolonged periods in the dark, emotional upset, and other conditions that cause extensive and prolonged dilation of the pupil. Administration of pharmacologic agents such as atropine that cause pupillary dilation (mydriasis) also can precipitate an acute episode of increased intraocular pressure in persons with the potential for angle-closure glaucoma. Attacks of increased intraocular pressure are manifested by ocular pain and blurred or iridescent vision. The man's symptomatology is not characteristic of conjunctivitis, corneal trauma, or keratitis.