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First Author: X.Wang CHINA
Co Author(s): F. Chen X. Chen X. Zhou
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To evaluate the vision quality and intraocular scattering after posterior chamber phakic intraocular lenses (ICL) implantation for high myopia
Department of Ophthalmology, Eye & Ear Nose Throat Hospital,Shanghai, China
40 eyes of 23 consecutive patients who was undergoing posterior chamber phakic intraocular lenses (ICL) implantation for correction of high myopia were enrolled in this study.The objective scattering index (OSI), retina image qualitu index, value of modulation transfer function( MTF)cutoff frequency and Strehl ratio(SR) as well as the OQAS value with the contrast of 100%, 20% and 9% respectivelywere assessed by the optical quality analysis system(OQAS) before and 1 week after surgery.
The postoperative UCVA of 24 eyes (60%) was better or equal to preoperative BCVA. The postoperative BCVA of 38 eyes (95%) was better than preoperative BCVA. AT 1 week after surgery, the OSI value was found no correlation with there was no correlation to age (p=0.249)?UCVA (P= 0.56)?BCVA (P= 0.89)?spherical equivalent (P= 0.78) and vaulting, but correlated to ACD (R2=0.1891,p=0.034 )?pupil sizes (R2=0.2042,P=0.009)and cornea thickness ?R2= 0.1756,P= 0.042.)
The vision quality was improved significantly posterior chamber phakic intraocular lenses (ICL) implantation for correction of high myopic patients. The change of intraocular scattering may correlated to ACD, pupil sizes and cornea thickness.