CORRELATION BETWEEN VISUAL ACUITY AND OUTER RETINAL LAYER THICKNESS IN DIABETIC MACULAR EDEMA | ||
| Egyptian Journal of Clinical Ophthalmology | ||
| Article 2, Volume 7, Issue 2, December 2024, Pages 107-115 PDF (423.66 K) | ||
| Document Type: Original articles: include clinical trials, interventional research, Basic researches and clinically relevant laboratory investigations | ||
| DOI: 10.21608/ejco.2024.404121 | ||
| Authors | ||
| Yousef, H.1; Gad Elkareem, A.1; El Rawy, E.2 | ||
| 1Ophthalmology dept., Faculty of Medicine, Al-Azhar Univ., Assiut, Egypt | ||
| 2Resident doctor at luxor International Medical complex | ||
| Abstract | ||
| Background: Diabetes Mellitus has been a collection of metabolic diseases typified by persi-stently elevated blood sugar levels. Aim: This research used optical coherence tomography to examine the relationship among best corrected visual acuity & outer retinal layers thickness, which is the distance among the retinal pigment epithelium at the foveal center & the external limiting membrane. Methods: One hundred eyes of seventy-five studied cases had been comprised in this prospective, observational, case - control study. These cases had been collected from the ophthalmic out-patient clinic of Al-Azhar University Hospital, Assiut. These cases were split into two groups: Group 2 Diabetic Macular Edema (DME group) included fifty eyes from fifty diabetic studied cases, & Group 1 (Control group) included fifty eyes from twenty-five healthy individuals without a history of systemic or ocular illnesses. Results: There had been a highly significant correlation among BCVA & ORL (p < 0.001) & a strong correlation among best corrected visual acuity and central foveal thickness (BCVA & CFT) but less than the correlation among BCVA & ORL in DME studied cases. This research presented a statistically significant positive correlation among ORL thickness & CFT. Conclusion: The study shed light on the importance of outer retinal layers thickness as a novel OCT parameter in the evaluation of diabetic macular edema with a potential visual prognostic value. It also revealed thinning of both choroid and outer retinal layer (ORL) in DME cases which may be related to its pathogenesis. | ||
| Keywords | ||
| Visual acuity; Outer retinal layer thickness; Diabetic; Macular edema | ||
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