A functional vagotomy induced by unilateral forced right nostril breathing decreases intraocular pressure in open and closed angle glaucoma.
Backon J, Matamoros N, Ramirez M, Sanchez R M, Ferrer J, Brown A et al.
Forced right nostril breathing significantly lowered intraocular pressure (IOP) in most glaucoma patients, suggesting a non-pharmacological method to reduce IOP, though some patients experienced an increase.