Document Detail

The influence of soft contact lenses on the intraocular pressure measurement.
MedLine Citation:
PMID:  22079968     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the influence of silicone hydrogel contact lenses on the intraocular pressure (IOP) measurement using Goldmann applanation tonometry (GAT), non-contact tonometry (NCT), and Pascal dynamic contour tonometry (DCT).
METHODS: We included in the study 40 eyes of 40 patients who did not have any ocular or systemic diseases or contraindications to contact lens use. We measured and recorded the IOP values of each patient using NCT without and with contact lenses (groups 1 and 2, respectively), using DCT without and with contact lenses (groups 3 and 4, respectively), and using GAT without contact lenses (group 5).
RESULTS: The mean IOP value of group 1 was 14.55 ± 2.95 mm Hg and 13.92 ± 2.58 mm Hg in group 2. We detected no statistically significant difference between group 1 and group 2 (P=0.053). The mean IOP values for group 3 and group 4 were 16.26 ± 2.33 mm Hg and 15.19 ± 2.40 mm Hg, respectively. We detected a statistically significant difference between groups 3 and 4 (P=0.005). Group 5's mean IOP value was 12.97 ± 2.65 mm Hg. IOP values measured with DCT were statistically significantly higher compared with IOP values measured with NCT and GAT (P<0.0001 and P<0.0001, respectively). Additionally, IOP values measured with NCT were statistically significantly higher compared with IOP values measured with GAT (P<0.0001).
CONCLUSION: According to the results of our study, silicone hydrogel soft contact lens use does not significantly affect IOP values measured with NCT, but it affects IOP values measured with DCT.
P G Firat; C Cankaya; S Doganay; M Cavdar; S Duman; E Ozsoy; B Koc
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Publication Detail:
Type:  Journal Article     Date:  2011-11-11
Journal Detail:
Title:  Eye (London, England)     Volume:  26     ISSN:  1476-5454     ISO Abbreviation:  Eye (Lond)     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-02-03     Completed Date:  2012-03-28     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  8703986     Medline TA:  Eye (Lond)     Country:  England    
Other Details:
Languages:  eng     Pagination:  278-82     Citation Subset:  IM    
Department of Ophthalmology, Turgut Ozal Medical Center, Inonu University, Malatya, Turkey.
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MeSH Terms
Contact Lenses, Hydrophilic*
Intraocular Pressure / physiology*
Middle Aged
Reproducibility of Results
Tonometry, Ocular / methods*

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