Benign Episodic Unilateral Mydriasis

Benign Episodic Unilateral Mydriasis

Benign episodic unilateral mydriasis (BEUM) is a rare, generally harmless condition characterized by temporary dilation of one pupil, occurring intermittently without any associated pain or neurological deficits. Despite its alarming appearance, it is considered benign and does not usually indicate serious underlying pathology. Individuals experiencing BEUM may notice sudden changes in pupil size, often triggered … Read more