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Detection of macular findings in highly myopic eyes with OCT and to correlate it to various visual parameters

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Original Article

Author Details : Bhanvi Gumber*, Sanjeev K Neiniwal, Ramswaroop Harsolia

Volume : 8, Issue : 2, Year : 2022

Article Page : 233-238

https://doi.org/10.18231/j.ijceo.2022.047

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Abstract

Background: High myopia is when axial length is more than >26 mm and refractive error of atleast 6.00 diopters (D). The definition of pathologic myopia in early studies was not consistent. It revolved around a combination of refractive error and axial length, which simply suggests high myopia.
Aim: To study the pathological findings in subjects with high axial myopia and their relationship with other visual parameters.
Materials and Methods: In this crosssectional analytical study, 200 eyes from 100 patients were studied. Fundus was evaluated with indirect ophthalmoscope. After pupillary dilatation, multiple OCT scans were performed across the macula area centering the fovea with the help of SD-OCT
Results: SD OCT revealed that 46% had normal appearance. Among pathological findings, most common was CNV (10%). Other findings were lamellar macular hole (7%), full thickness macu lar hole (7%), retinal detachment (3%), epiretinal membrane (3%), traction maculopathy (4%), PVD (8%), dome shaped macula (8%)and posterior staphyloma (4%).
Fifty four percent eyes had one or more fundus changes observed by bio-microscopy. Most common findings were lattice degeneration (33.33%) and WWP & WWOP (25%). Other findings were posterior staphyloma (7.41%), retinal detachment (5.51%), Chorioretinal degeneration (11.11%), macular hole (8.3%), PVD (3.70%), Retinal hole (0.92%), maculopathy (0.97%) and CNV (3.70%).
Conclusion: OCT can be done in a healthy high myopic population and in symptomatic myopic population who complains of worsening of visual function to look for epiretinal and/or vitreoretinal traction and related macular damage.
 

Keywords: Axial lenghth, High myopia, OCT

How to cite : Gumber B, Neiniwal S K, Harsolia R, Detection of macular findings in highly myopic eyes with OCT and to correlate it to various visual parameters. Indian J Clin Exp Ophthalmol 2022;8(2):233-238

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