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terminology and guidelines for glaucoma ii - Kwaliteitskoepel

terminology and guidelines for glaucoma ii - Kwaliteitskoepel

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2.2.7 - OCULAR HYPERTENSION (OH)<br />

Etiology: Unknown<br />

Pathomechanism: Unknown<br />

Features:<br />

Signs <strong>and</strong> symptoms:<br />

Peak IOP > 21 mm Hg without treatment (diurnal curve)<br />

Visual field: normal<br />

Optic disc <strong>and</strong> retinal nerve fibre layer: normal<br />

Gonioscopy: open anterior chamber angle (exclude intermittent angle-closure. See Ch. 2.4.3)<br />

No history or signs of other eye disease or steroid use.<br />

Other risk factors: none<br />

High IOP is associated with, but not proven to be causal of vein occlusion, especially in patients with high blood<br />

pressure, hypercholesterolemia or obesity.<br />

Consider corneal thickness if findings do not match. See Ch. 1.1<br />

Although in the past it has been used as a diagnosis <strong>and</strong> still is usually separated <strong>for</strong> research <strong>and</strong> classification<br />

purposes, the term ocular hypertension (OH) should be used just to indicate that the IOP is<br />

consistenly outside two st<strong>and</strong>ard deviations from the normal mean, with all other ocular findings<br />

within normal limits.<br />

Ch. 2 - 8 EGS

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