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Clinical application of spherical rigid gas permeable contact lens on mild astigmatism eyes

LI Jian-hua,LAN Chang-jun,LIAO Xuan,YANG Yang(Affiliated Hospital,North Sichuan Medical College,Nanchong,Sichuan 637000,China)  
Objective:To investigate the correction results on mild astigmatism eyes by spherical rigid gas permeable contact lens(RGP).Methods:Forty-two mild astigmatism eyes were examined through spherical RGP trial wear and compared with natural visual acuity,corrected visual acuity by spectacle and by RGP.Results:The corrected visual acuity by spectacle or spherical RGP was significantly better than the natural visual acuity on all eyes.Significant statistical differences were found among these three kinds of visual acuity.Conclusion:Spherical RGP is effective and safe for correcting mild astigmatism eyes.
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