{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T09:22:33Z","timestamp":1770283353552,"version":"3.49.0"},"reference-count":18,"publisher":"SLACK, Inc.","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Refract Surg"],"published-print":{"date-parts":[[2011,11]]},"abstract":"<jats:sec>\n            <jats:title>Purpose:<\/jats:title>\n            <jats:p>To evaluate whether the average spherical aberration of human astigmatic corneas is statistically equivalent to human nonastigmatic corneas.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>\n              Spherical aberrations of 445 astigmatic corneas prior to laser vision correction were retrospectively investigated to determine Zernike coefficients for central corneal areas 6 mm in diameter using CTView (Sarver and Associates). Data were divided into groups according to cylinder power (0.01 to 0.25 diopters [D], 0.26 to 0.75 D, 0.76 to 1.06 D, 1.07 to 1.53 D, 1.54 to 2.00 D, and &gt;2.00 D) and according to age by decade. Spherical aberrations were correlated with age and astigmatic power among groups and the entire population. Statistical analyses were conducted, and\n              <jats:italic>P<\/jats:italic>\n              &lt;.05 was considered statistically significant.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>\n              Mean patient age was 42.6\u00b111 years. Astigmatic corneas had an average astigmatic power of 0.78\u00b10.58 D and mean spherical aberration was 0.25\u00b10.13 \u03bcm for the entire population and approximately the same (0.27 \u03bcm) for individual groups, ranging from 0.23 to 0.29 \u03bcm (\n              <jats:italic>P<\/jats:italic>\n              &gt;.05 for all tested groups).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>\n              Mean spherical aberration of astigmatic corneas was not correlated significantly with cylinder power or age (\n              <jats:italic>P<\/jats:italic>\n              &gt;.05). Spherical aberrations are similar to those of nonastigmatic corneas, permitting the use of these additional data in the design of aspheric toric intra-ocular lenses.\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.3928\/1081597x-20111005-05","type":"journal-article","created":{"date-parts":[[2011,11,1]],"date-time":"2011-11-01T15:21:51Z","timestamp":1320160911000},"page":"846-848","source":"Crossref","is-referenced-by-count":10,"title":["Spherical Aberrations of Human Astigmatic Corneas"],"prefix":"10.3928","volume":"27","author":[{"given":"Huawei","family":"Zhao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guang-ming","family":"Dai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Henk A.","family":"Weeber","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia A.","family":"Piers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2308","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1364\/OL.29.000733"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.3928\/1081-597X-20021101-04"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(03)00467-X"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2007.01.035"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1080\/713820960"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1364\/JOSAA.23.000544"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(13)80400-2"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.3928\/1081-597X-20020901-30"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1364\/OL.34.000007"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.2007.118745"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9394(14)74917-7"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2008.09.027"},{"issue":"13","key":"e_1_3_2_14_2","first-page":"3349","article-title":"Optical response to LASIK surgery for myopia from total and corneal aberration measurements","volume":"42","author":"Marcos S","year":"2001","unstructured":"Marcos S, Barbero S, Llorente L, Merayo-Lloves J. Optical response to LASIK surgery for myopia from total and corneal aberration measurements. Invest Ophthalmol Vis Sci. 2001;42(13):3349\u20133356.","journal-title":"Invest Ophthalmol Vis Sci"},{"issue":"6","key":"e_1_3_2_15_2","first-page":"1396","article-title":"Ocular aberrations before and after myopic corneal refractive surgery: LASIK-induced changes measured with laser ray tracing","volume":"42","author":"Moreno-Barriuso E","year":"2001","unstructured":"Moreno-Barriuso E, Lloves JM, Marcos S, Navarro R, Llorente L, Barbero S. Ocular aberrations before and after myopic corneal refractive surgery: LASIK-induced changes measured with laser ray tracing. 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Invest Ophthalmol Vis Sci. 2002;43: E-Abstract 1510.","journal-title":"Invest Ophthalmol Vis Sci"}],"container-title":["Journal of Refractive Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.slackinc.com\/doi\/resolver.asp?doi=10.3928\/1081597X-20111005-05","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,5,2]],"date-time":"2023-05-02T22:37:52Z","timestamp":1683067072000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.healio.com\/doi\/10.3928\/1081597X-20111005-05"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,11]]},"references-count":18,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2011,11]]}},"alternative-id":["10.3928\/1081597X-20111005-05"],"URL":"https:\/\/doi.org\/10.3928\/1081597x-20111005-05","relation":{},"ISSN":["1081-597X"],"issn-type":[{"value":"1081-597X","type":"print"}],"subject":[],"published":{"date-parts":[[2011,11]]}}}