{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T14:08:05Z","timestamp":1768658885431,"version":"3.49.0"},"reference-count":37,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Ophthalmology"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p><jats:italic>Purpose.<\/jats:italic>To obtain information about effect of cycloplegia on keratometry and biometry in keratoconus.<jats:italic>Methods.<\/jats:italic>48 keratoconus (Group 1) and 52 healthy subjects (Group 2) were included in the study. We measured the flat meridian of the anterior corneal surface (K1), steep meridian of the anterior corneal surface (K2), lens thickness (LT), anterior chamber depth (ACD), and axial length (AL) using the Lenstar LS 900 before and after cycloplegia.<jats:italic>Results.<\/jats:italic>The median K1 in Group 1 was 45.64\u2009D before and 45.42\u2009D after cycloplegia, and the difference was statistically significant (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>). The median K2 in Group 1 was 50.96\u2009D before and 50.17\u2009D after cycloplegia, and the difference was significant (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>). The median K1 and K2 in Group 2 were 42.84 and 44.49\u2009D, respectively, before cycloplegia, and 42.84 and 44.56\u2009D after cycloplegia, and the differences were not statistically significant (all<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>P<\/mml:mi><mml:mo>&gt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>). There were significant differences in SE, LT, ACD, and RLP between before and after cycloplegia in either Group 1 (all<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>) or Group 2 (all<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>). There were not statistically significant differences in AL between before cycloplegia and after cycloplegia in either Group 1 (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M6\"><mml:mi>P<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.533<\/mml:mn><\/mml:math>) or group 2 (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M7\"><mml:mi>P<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.529<\/mml:mn><\/mml:math>).<jats:italic>Conclusions.<\/jats:italic>Flattened corneal curvature and increase in ACD following cycloplegia in keratoconus patients were detected.<\/jats:p>","DOI":"10.1155\/2016\/3437125","type":"journal-article","created":{"date-parts":[[2016,12,12]],"date-time":"2016-12-12T18:23:54Z","timestamp":1481567034000},"page":"1-6","source":"Crossref","is-referenced-by-count":6,"title":["Effect of Cycloplegia on Keratometric and Biometric Parameters in 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