Document Detail

Change in intraocular pressure during scleral depression.
MedLine Citation:
PMID:  25444648     Owner:  NLM     Status:  Publisher    
PURPOSE: Manometric studies have found that intraocular pressure (IOP) rises 116-350mmHg during scleral depression in surgical settings. No information is available regarding the effect of scleral depression on IOP in routine clinical settings. The aim of this study is to quantify the change in IOP that occurs when scleral depression is performed on normal eyes in a routine clinical setting.
METHODS: A total of 28 eyes from 28 normal subjects were included. Tono-Pen tonometry was performed while scleral depression was performed in each of the two quadrants: superotemporal (ST) and inferonasal (IN). A post-procedure IOP measurement was obtained following each scleral depression examination. Both ST and IN quadrants were tested on all eyes, with the quadrant tested first chosen at random (15 ST, 13 IN).
RESULTS: The mean IOP during scleral depression was 65.3mmHg ST and 47.8mmHg IN, with a maximum recorded IOP of 88mmHg. The mean change in IOP for the ST quadrant was 51.9±17.3mmHg and 46.4±16.0mmHg for the right and left eyes, respectively. The mean change in IOP for the IN quadrant was 45.3±22.7mmHg and 16.8±15.8mmHg for the right and left eyes, respectively.
CONCLUSIONS: Scleral depression as performed in a routine office setting produces wide fluctuations in IOP and may impair ocular perfusion. Additional studies are needed to determine the long-term consequences of routine scleral depression.
Richard Trevino; Brandi Stewart
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-10-31
Journal Detail:
Title:  Journal of optometry     Volume:  -     ISSN:  1989-1342     ISO Abbreviation:  J Optom     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-12-2     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  101482903     Medline TA:  J Optom     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Spanish General Council of Optometry. Published by Elsevier Espana. All rights reserved.
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