{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T20:34:07Z","timestamp":1786739647652,"version":"build-2736575974"},"reference-count":32,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>The study aimed to investigate the changes in choroidal thickness (CT), retinal nerve fiber layer thickness (RNFL), and visual field parameters in morbidly obese patients following bariatric surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      The study included 40 morbidly obese patients with body mass indexes (BMI) \u226540 who had undergone bariatric surgery (Group 1) and 40 age-and sex-matched healthy subjects with normal BMI values (Group 2). RNFL and CT measurements by optical coherence tomography (OCT) and visual field test were performed preoperatively and the 1\n                      <jats:sup>st<\/jats:sup>\n                      , 6\n                      <jats:sup>th<\/jats:sup>\n                      , and 12\n                      <jats:sup>th<\/jats:sup>\n                      months postoperatively. CT measurements were obtained from the subfoveal, nasal (N), and temporal (T) regions at distances of 500 \u03bcm and 1,000 \u03bcm from the fovea.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      No significant pathology was detected during ophthalmological examinations following bariatric surgery. The BMIs were found to be significantly lower in all of the periods after bariatric surgery (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.0001). The CT measurements decreased significantly in all periods after bariatric surgery (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.0001). No differences were found in terms of the mean RNFL thicknesses in all postoperative periods (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.125). Visual field tests showed no significant changes during scheduled visits. (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.877). No visual field defect was detected in any patient during the follow-up periods after bariatric surgery.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>These results have suggested that CT is positively correlated with BMI and decreased with a reduction in BMI progressively. Nutritional disorders resulting from malabsorption have not caused any nutritional optic neuropathy and visual field defect for at least the first postoperative year after bariatric surgery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ijo.ijo_295_20","type":"journal-article","created":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T04:51:31Z","timestamp":1607921491000},"page":"301-306","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":13,"title":["Evaluation of the choroidal thickness and retinal nerve fiber layer and visual fields in morbid 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