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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2018  |  Volume : 25  |  Issue : 3  |  Page : 131-136

Estimation of morphological characteristics in asymmetrical myopic posterior staphyloma using optical coherence tomography

1 Department of Ophthalmology, University Hospital of Heraklion, Heraklion, Crete, Greece
2 Department of Radiology, University Hospital of Heraklion, Heraklion, Crete, Greece
3 Department of Medical Physics, University of Crete, Heraklion, Crete, Greece

Correspondence Address:
Dr. Georgios Bontzos
Department of Ophthalmology, University Hospital of Heraklion, 71110, Stavrakia, Heraklion, Crete
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/meajo.MEAJO_45_18

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PURPOSE: Posterior staphyloma is an ocular complication associated with high myopia and reflects degenerative changes on the sclera. Its morphology is associated with chorioretinal atrophy and myopic maculopathy. The purpose of this study was to validate the efficacy of optical coherence tomography (OCT) in providing a simple estimation of the staphyloma pattern. MATERIALS AND METHODS: Observational case-series study of high myopic patients with posterior staphylomas. Patients were examined using the star scan pattern OCT in different radial planes. Three-dimensional (3D) magnetic resonance tomography was also performed to visualize the anatomical characteristics of the posterior pole. 3D-segmentation and curvature analysis were also performed. RESULTS: Eight patients were totally enrolled in this pilot study. Our study pool consisted of 2 wide macular staphylomas, 2 narrow macular staphylomas, and 4 barrel-shaped staphylomas. Our preliminary results revealed that patients displayed mirror-image distortion in the steeper staphyloma axis. In the barrel-shaped subtype, no image distortion was displayed in any plane. CONCLUSION: We estimated the axis of the smaller base curvature by noting the distortion pattern in the different radial axis. The recognition of pathologic axial myopia is important since there is a risk of permanent vision loss from vision to threatening sequelae.

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