Journal
JOURNAL OF CURRENT OPHTHALMOLOGY
Volume 31, Issue 1, Pages 49-54Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.joco.2018.07.004
Keywords
Choroidal thickness; Diabetic retinopathy; Cataract surgery; Phacoemulsification; Optical coherence tomography
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Purpose: To evaluate the choroidal thickness changes after cataract surgery in type 2 diabetic patients. Methods: Three groups of patients were enrolled into this prospective study. Group A included diabetic patients without diabetic retinopathy (DR) or with mild non-proliferative diabetic retinopathy (NPDR) who underwent phacoemulsification, Group B included non-diabetic patients with significant cataract who underwent phacoemulsification, and Group C included diabetic patients without DR or with mild NPDR who followed up without surgical procedure. Choroidal thickness in 5 points (subfoveal and 500 mu temporal, nasal, superior and inferior to the fovea) and central macular thickness were measured before surgery using enhanced depth spectral domain optical coherence tomography. Patients were re-evaluated 1 week, 1 month, and 3 months after operation and compared with the baseline values. Results: In total, 63 eyes from 63 patients were enrolled to this study, including 21 eyes in Group A, 22 eyes in Group B, and 20 eyes in Group C. After three months of follow-up of the patients, choroidal thickness in all measured points was decreased significantly, and central macular thickness was increased significantly following cataract surgery in diabetic eyes (Ggroup A); meanwhile, both choroidal thickness and central macular thickness were increased significantly in non-diabetic eyes (Group B). In Group C, choroidal thickness and central macular thickness had no significant changes, after three months. Conclusion: Unlike in non-diabetic eyes, choroidal thickness in diabetic patients decreased following cataract surgery. Copyright (C) 2018, Iranian Society of Ophthalmology. Production and hosting by Elsevier B.V.
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