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10.18240/ijo.2017.09.13 http://scihub22266oqcxt.onion/10.18240/ijo.2017.09.13 C5596227!5596227!28944201     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=28944201&cmd=llinks): Failed to open stream: HTTP request failed! 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Effects of higher-order aberrations on contrast sensitivity in normal eyes of a large myopic population |pdf=|usr=}}{{28944201}} gab.com Text Effects of higher-order aberrations on contrast sensitivity in normal eyes of a large myopic population JO: Int J Ophthalmol http://www.kidney.de/pget.php?&tw=1&pmid=28944201 #FOAvip AIM: To study the relation between higher-order aberrations (HOAs) and contrast sensitivity (CS) in normal eyes among a population of laser in situ keratomileusis (LASIK) candidates. METHODS: In 6629 eyes of 3315 LASIK candidates, CS were measured under dark environment at the spatial frequencies of 1.5, 3, 6, 12 and 18 cycles per degree (c/d), respectively, using an Optec 6500 visual function tester. Meanwhile, ocular HOAs were measured for a 6.0 mm pupil with a Hartmann-Shack wavefront analyzer. RESULTS: In the study, the subjects with an average spherical equivalent of -4.86±2.07 D were included. HOAs decreased from the third to the sixth order aberrations with predominant aberrations of third-order coma, trefoil and fourth-order spherical aberration. At low and moderate spatial frequencies, CS was negatively correlated with the third-order coma and trefoil aberrations, and decreased with increasing Z31, but increased with increasing Z3?3 and Z5?1. At high spatial frequencies, CS decreased with increasing Z3?3 and increased with increasing Z5?1. CONCLUSION: At a large pupil size of 6.0 mm, the third-order aberrations, but not the total aberrations, are the main factors affecting CS. Vertical coma is negatively correlated with CS. Twit Text FOAVip Effects of higher-order aberrations on contrast sensitivity in normal eyes of a large myopic population ????Int J Ophthalmol http://www.kidney.de/pget.php?&tw=1&pmid=28944201 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28944201 #FOAvip English Wikipedia <ref>{{Cite pmid|28944201}}</ref> Effects of higher-order aberrations on contrast sensitivity in normal eyes of a large myopic population #MMPMID28944201 Zhao PF; Li SM; Lu J; Song HM; Zhang J; Zhou YH; Wang NL Int J Ophthalmol 2017[]; 10 (9): 1407-11 PMID28944201show ga AIM: To study the relation between higher-order aberrations (HOAs) and contrast sensitivity (CS) in normal eyes among a population of laser in situ keratomileusis (LASIK) candidates. METHODS: In 6629 eyes of 3315 LASIK candidates, CS were measured under dark environment at the spatial frequencies of 1.5, 3, 6, 12 and 18 cycles per degree (c/d), respectively, using an Optec 6500 visual function tester. Meanwhile, ocular HOAs were measured for a 6.0 mm pupil with a Hartmann-Shack wavefront analyzer. RESULTS: In the study, the subjects with an average spherical equivalent of -4.86±2.07 D were included. HOAs decreased from the third to the sixth order aberrations with predominant aberrations of third-order coma, trefoil and fourth-order spherical aberration. At low and moderate spatial frequencies, CS was negatively correlated with the third-order coma and trefoil aberrations, and decreased with increasing Z31, but increased with increasing Z3?3 and Z5?1. At high spatial frequencies, CS decreased with increasing Z3?3 and increased with increasing Z5?1. CONCLUSION: At a large pupil size of 6.0 mm, the third-order aberrations, but not the total aberrations, are the main factors affecting CS. Vertical coma is negatively correlated with CS. äEffects of higher-order aberrations on contrast sensitivity in normal (epmc).pdf DeepDyve Pubget Overpricing