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- Title
Macular Choroidal Thickness in Myopic Eyes with and without a Dome-Shaped Macula: A Case-Control Study.
- Authors
Soudier, Guillaume; Gaudric, alain; Gualino, Vincent; Massin, Pascale; Nardin, Mathieu; Tadayoni, Ramin; Speeg-Schatz, Claude; Gaucher, David
- Abstract
Background and Objective: Dome-shaped macula (DSM) has recently been described with myopic staphyloma, which may cause decreased vision. The purpose of this study was to evaluate the choroidal thickness of eyes with and eyes without DSM. Methods: A total of 26 eyes with DSM were paired based on axial length with 26 eyes without DSM. All patients underwent spectral-domain OCT examination using the 7-line EDI (enhanced depth imaging) protocol. The mean choroidal thickness was measured using Early Treatment Diabetic Retinopathy Study (ETDRS) grid areas. Results: Both nasal choroidal thickness and temporal choroidal thickness were significantly thinner in the DSM group (120.43 vs. 159.46 μm, p = 0.035, and 142.17 vs. 187.23 μm, p = 0.021, respectively). However, the mean central choroidal thickness did not differ (152.61 vs. 175.96 μm, p = 0.20). The ratio between central and peripheral choroidal thickness was very significantly elevated with DSM (1.18 ± 0.12 vs. 0.99 ± 0.09, p < 0.0001). Conclusion: Choroidal thickness decreases at the periphery but not in the macular area with DSM. DSM seems not to be due to an inward protrusion of the globe but due to macular anatomical preservation in a growing staphyloma.
- Subjects
CHOROID diseases; MYOPIA; MEDICAL protocols; DIABETIC retinopathy treatment; OPTICAL coherence tomography; DIAGNOSIS
- Publication
Ophthalmologica, 2016, Vol 236, Issue 3, p148
- ISSN
0030-3755
- Publication type
Article
- DOI
10.1159/000450556