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STUDY: Make sure those collars aren't tight
JOURNAL: British Journal of Ophthalmology
AUTHORS: Dr Robert Ritch
ABSTRACT: Men should think twice about how tight they wear a necktie because it could increase their chances of developing glaucoma.
COMMENTARY: A tight necktie raises blood pressure in the eye, which is a leading risk factor in the illness that can lead to damage to the optic nerve and loss of vision.
A tight necktie increases IOP (intraocular pressure) in both normal subjects and glaucoma patients and could affect the diagnosis and management of glaucoma.
In addition to raising the risk of glaucoma, donning a tight necktie during an eye examination could lead to a false diagnosis of the illness.
The researchers suspect that a tight necktie constricts the jugular vein, which increases blood pressure and IOP.
Bottom line is to make sure to wear shirts with a collar that is not tight.