Abstract
Purpose
To evaluate the ability of swept source optical coherence tomography (SS-OCT) to detect retinal changes in patients with bipolar disorder (BD).
Methods
Twenty-three patients with BD and 23 controls underwent retinal evaluation using SS deep range imaging (DRI) Triton OCT. Full retinal thickness, the ganglion cell layer (GCL), the retinal nerve fiber layer (RNFL), and choroidal thickness were evaluated with automated segmentation software.
Results
Patients with BD were shown to have significant thinning of the macular full retinal thickness in the center (p = 0.049), inner temporal (p = 0.045), inner nasal (p = 0.016), and inner inferior (p = 0.016) of the ETDRS areas. The macular GCL layer was reduced in patients compared with controls (average, p = 0.002; superior, p = 0.009; superonasal, p = 0.009; inferonasal, p = 0.003; and inferior, p = 0.009). Peripapillary reduction of full retinal thickness (average, p < 0.001; superotemporal, p < 0.001; superonasal, p = 0.003; nasal, p = 0.005; and inferotemporal, p = 0.033), GCL (nasal, p = 0.025), and RNFL thickness (average, p = 0.002; superotemporal, p < 0.001; and superonasal, p = 0.045) was observed in patients compared with controls. No significant differences were observed in choroidal thickness measurements.
Conclusions
BD patients were shown to have quantifiable thinning of full retinal thickness and the GCL in the macular area, as well as a peripapillary reduction of the RNFL and GCL thickness. The analysis of the retinal sublayers with SS-OCT may be a useful indicator to show degeneration and monitor disease progression in bipolar disorder.
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Polo, V., Satue, M., Gavin, A. et al. Ability of swept source OCT to detect retinal changes in patients with bipolar disorder. Eye 33, 549–556 (2019). https://doi.org/10.1038/s41433-018-0261-6
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DOI: https://doi.org/10.1038/s41433-018-0261-6
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