The alpha-1 antagonist could help patients experiencing sympathetic overstimulation of Müller’s muscle, the presumed mechanism of this symptom, a small study suggests.
Blepharitis and conjunctivitis increased risk three- to fourfold, while systemic factors such as hypertension, dyslipidemia and rheumatic disease conferred a 1.5-fold greater likelihood.
While still a rare complication—occurring in 1.5% to 2% of surgeries—such cases were more likely to be diagnosed and require intervention within three years, study finds.