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Choroidal thickness in type 2 diabetes mellitus patients using spectral domain optical coherence tomography

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Original Article

Author Details : Mervin Jonathan Israel, Raghavendra K Ijeri*, Nikhita Anil Sankolli

Volume : 10, Issue : 3, Year : 2024

Article Page : 475-480

https://doi.org/10.18231/j.ijceo.2024.082

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Abstract

Aim:  To measure the choroidal thickness in patients with type 2 diabetes mellitus and its comparison to healthy age-matched individuals.
Materials and Methods: This prospective comparative study conducted at departments of Ophthalmology, Shri B.M. Patil Medical College, Hospital and Research Centre, Vijayapura. Study included 192 patients, 96 with diabetes and 96 age-matched controls. Data acquired comprised demographics, a thorough eye examination, fundus photography and spectral domain optical coherence tomography measurements of choroidal thickness using enhanced depth imaging.
Results: Mean age was 60.17±7.727 years with male predominance in both cases and controls. The mean duration of diabetes was 5.67±3.39 years. Positive correlation was noted between duration of diabetes and severity of retinopathy (p = 0.001). 21 patients did not have any evidence of diabetic retinopathy, while 75 patents had features of non-proliferative diabetic retinopathy, of which (31) had mild, (21) moderate, (12) severe and (11) with proliferative diabetic retinopathy. Mean choroidal thickness of controls was 327.308±18.945 microns, as compared to thinner choroids 295±15.082 microns in cases without retinopathy and 271 ± 36.122, 242 ±30.048, 193±15.748 microns in mild, moderate, severe non-proliferative diabetic retinopathy respectively and 191.492± 23.834 microns in proliferative diabetic retinopathy. Statistically significant differences were noted on comparing choroidal thickness between controls and cases (p = 0.001).
Conclusion: Choroidal thickness was maximum in control group with a p value of <0>  

Keywords: Diabetes mellitus, Choroidal thickness, Coherence tomography.

How to cite : Israel M J, Ijeri R K, Sankolli N A, Choroidal thickness in type 2 diabetes mellitus patients using spectral domain optical coherence tomography. Indian J Clin Exp Ophthalmol 2024;10(3):475-480

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