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Tight necktie, intraocular pressure, and intracranial pressure
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I would like to congratulate Theelen et al for their recent article on impact factors on intraocular pressure measurements in healthy subjects,1 and I would like to add a thought. As Theelen and colleagues point out with reference to the literature,2,3 increased pressure in the jugular vein leads to increased brain pressure, and by an increase in the episcleral venous pressure, to an elevation of intraocular pressure. Correspondingly, …