Asymmetric intraocular pressure in sphenoid wing meningioma patients

Document Type

Journal Article

Publication Date

2-15-1996

Journal

Investigative Ophthalmology and Visual Science

Volume

37

Issue

3

Abstract

Purpose. To determine the prevalence and associated features of asymmetric intraocular pressure in patients with sphenoid wing meningiomas. Methods. A retrospective chart review of 70 sphenoid wing meningiomas was performed. 52 patients had pre-operative intraocular pressure documentation available for review. Results. 21 of the 52 (40%) patients had a higher intraocular pressure on the side of the tumor (the remainder had equal, normal IOP). The median elevation was 4mmHg (range 2-14). The median age was 55 years old (range: 35-72) in 7 men and 14 women (all Caucasian). One had a family history of glaucoma and 50% had at least one risk factor for glaucoma [myopia(4), HTN(7), DM(2), hypothyroidism without orbitopathy(5)]. All had tumor extension into the orbit with orbitals signs (proptosis, temporal fullness, dysmotility). 8/21 (38%) had unilateral ocular hypertension (IOP>22). Three of these 8 had been placed on Timoptic without recognition of the tumor (one had an enlarged cup to disc ratio and all had visual field defects). Conclusions. Asymmetry of intraocular pressure is a common finding in patients with sphenoid wing meningiomas when orbital extension is present. Orbital symptoms and signs should be sought in all cases of asymmetric intraocular pressure elevation.

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