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Pupil function and disorders that affect it
Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...
Intraoperative floppy iris syndrome (IFIS) occurs owing to drug-induced blockade of the α-1a receptors present in the iris dilator muscle in a large proportion of patients who take or have previously ...
The FDA has approved phentolamine ophthalmic solution (Ryzumvi) 0.75% for treatment-induced mydriasis, Viatris and Ocuphire Pharma announced. The approval stipulates use of the eye drops to manage ...
Horner syndrome is characterized by anisocoria with the smaller pupil unable to adequately dilate because of impaired innervation to the iris dilator muscle. It is typically associated with ...
MONT TREMBLANT, Canada — Observation of abnormal pupil movements can help diagnose the aberrant nerve regeneration that causes misdirection syndromes, said Randy H. Kardon, MD, PhD. Learning the pupil ...
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