{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T20:37:09Z","timestamp":1786739829379,"version":"build-2736575974"},"reference-count":30,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"9","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To identify the exact time point during after following pterygium excision with a modified technique of sutureless, glueless limbal-conjunctival autograft, when stabilization of the change in corneal curvature is achieved; correlate size of pterygium with uncorrected visual acuity and astigmatism at baseline, and assess changes in these parameters postoperatively over time.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      This prospective study longitudinally assessed 30 eyes of 30 north Indian adults with primary pterygium encroaching upon \u22651 mm of the cornea pre- and postoperatively at 1 week and then monthly for 4 months, recording uncorrected (UCVA) and best-corrected logMAR visual acuity, astigmatism and keratometry. Results were analyzed using ANOVA, Mauchly\u2019s test of sphericity with Greenhouse\u2013Geisser correction, and post-hoc test using Bonferroni correction. Pearson\u2019s correlation coefficient\n                      <jats:italic toggle=\"yes\">r<\/jats:italic>\n                      &gt; 0.5 was considered clinically significant, and\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05 statistically significant.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Pterygium size was well correlated with pre-operative astigmatism (\n                      <jats:italic toggle=\"yes\">r<\/jats:italic>\n                      = 0.867,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001) and pre-operative UCVA (\n                      <jats:italic toggle=\"yes\">r<\/jats:italic>\n                      = 0.856,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001). There was mean improvement of 0.43 logMAR units of visual acuity (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.00001), a mean increase of 0.79D of keratometric value for the flatter meridian (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.00001) and a mean reduction of 2.00D of astigmatism (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.00001). At 2-month follow-up, the keratometric value for the flatter meridian approached the final keratometric reading at 4 months such that the difference was not significant (\n                      <jats:italic toggle=\"yes\">t<\/jats:italic>\n                      = 1.185,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.245). There were no significant complications or recurrence during the follow-up period.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Pterygium excision with modified autograft reduced corneal astigmatism and improved visual acuity comparable to classical technique. Alteration in corneal curvature stabilizes 2 months after surgery, when spectacle correction can be given to patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ijo.ijo_2747_20","type":"journal-article","created":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T23:07:16Z","timestamp":1630537636000},"page":"2401-2405","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["Changes in corneal curvature and visual acuity in North Indian adults after pterygium excision with modified sutureless, glueless limbal-conjunctival autograft"],"prefix":"10.4103","volume":"69","author":[{"given":"Akriti","family":"Gumber","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, N.S.C.B. 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