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The Influence of Central Corneal Thickness of Myopia on the Measurementsof Intraocular Pressure with Non-contact Tonometer

Tao Li

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Abstract

Objective:To study the relationship between the central corneal thickness(CCT)and the measurements of intraocular pressure(IOP)with non-contact tonometer.Methods:CCT and IOP were mearured on 411 cases who are myopia,the data were analysised by SPSS 10.0.Result:The mean of CCT was 549 μm±31μm,the mean of IOP was 16.74mmHg±2.58mmHg.A positive correlation was found between IOP and CCT(r=0.447,P0.001).Regression equation for IOP(Y)=-7.854+0.0448X(X=CCT,P0.001).According to CCT,all cases were classfied into 3 groups and a significant difference was found between IOP in different groups.Conclusion:The measurements of IOP were influenced significantly by CCT in myopia group.

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What this paper is about

Objective:To study the relationship between the central corneal thickness(CCT)and the measurements of intraocular pressure(IOP)with non-contact tonometer.Methods:CCT and IOP were mearured on 411 cases who are myopia,the data were analysised by SPSS 10.0.Result:The mean of CCT was 549 μm±31μm,the mean of IOP was 16.74mmHg±2.58mmHg.A positive correlation was found between IOP and CCT(r=0.447,P0.001).Regression equation for IOP(Y)=-7.854+0.0448X(X=CCT,P0.001).According to CCT,all cases were classfied into 3 groups and a significant difference was found between IOP in different groups.Conclusion:The measurements of IOP were influenced significantly by CCT in myopia group.

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Available abstract

Objective:To study the relationship between the central corneal thickness(CCT)and the measurements of intraocular pressure(IOP)with non-contact tonometer.Methods:CCT and IOP were mearured on 411 cases who are myopia,the data were analysised by SPSS 10.0.Result:The mean of CCT was 549 μm±31μm,the mean of IOP was 16.74mmHg±2.58mmHg.A positive correlation was found between IOP and CCT(r=0.447,P0.001).Regression equation for IOP(Y)=-7.854+0.0448X(X=CCT,P0.001).According to CCT,all cases were classfied into 3 groups and a significant difference was found between IOP in different groups.Conclusion:The measurements of IOP were influenced significantly by CCT in myopia group.

Key concepts: Medicine, Ophthalmology, Intraocular pressure, Significant difference, Goldmann Applanation Tonometer, Optometry, Internal medicine

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