| Effect of measurement order between right and left eyes on intraocular pressure measurement. | |
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MedLine Citation:
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PMID: 21402981 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: To determine whether the order of intraocular pressure (IOP) measurement between right and left eyes affects IOP measurement. METHODS: A total of 105 healthy volunteers from the eye clinics and staff at Washington University were randomized into 2 groups. Group 1 underwent 3 sets of 2 IOP measurements per eye, starting with the right eye (right eye twice, left eye twice, right eye twice). Group 2 underwent similar measurements starting with the left eye. After 2 weeks the order of IOP measurements were reversed between groups. A mixed-model repeated-measures analysis of variance analyzed the association of IOP measurement with the order measured (1) between first and second eyes, (2) between first and second visits, (3) between right and left eyes, and (4) with ocular squeezing. RESULTS: Intraocular pressure measured higher in first eyes compared with fellow eyes regardless of whether right or left eyes were measured first (P = .002). Intraocular pressure measurements decreased between the first and second visits (P < .001). No difference was found in IOP measurements between right and left eyes (P = .41). Moderate and severe ocular squeezing were associated with higher IOP measurements (P < .001) and occurred more during earlier than later IOP measurements within a set (P < .001) and between sets (P < .001 to P = .03). CONCLUSIONS: Intraocular pressure measured in the first eye, whether right or left, is higher than IOP measured in the fellow eye; this may be partially because of ocular squeezing. Measurements of IOP decrease between first and second visits. Multiple IOP measurements at multiple visits are necessary to accurately diagnose and treat patients with glaucoma and ocular hypertension. |
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Authors:
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Melike Pekmezci; Sidney T Chang; Bradley S Wilson; Mae O Gordon; Anjali M Bhorade |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Archives of ophthalmology Volume: 129 ISSN: 1538-3601 ISO Abbreviation: Arch. Ophthalmol. Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-03-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7706534 Medline TA: Arch Ophthalmol Country: United States |
Other Details:
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Languages: eng Pagination: 276-81 Citation Subset: AIM; IM |
Affiliation:
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MSCI, Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, 660 S Euclid Ave, Campus Box 8096, St Louis, MO 63110. bhorade@vision.wustl.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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