SPECTRAL-DOMAIN OPTICAL COHERENCE TOMOGRAPHY IN PATIENTS WITH COMMOTIO RETINAE

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Abstract
Purpose: To describe the morphologic characteristics of commotio retinae using spectral-domain optical coherence tomography and to evaluate its utility in prognosis and follow-up. Methods: Consecutive patients with commotio retinae underwent complete ophthalmic examination, color fundus photography, spectral-domain optical coherence tomography, fundus autofluorescence, and near-infrared autofluorescence. Results: There were 11 eyes of 11 patients (8 men), with a mean age of 30.8 ± 12.1 years. The follow-up ranged from 9 days to 6 months. Spectral-domain optical coherence tomography identified hyperreflectivity underneath the inner/outer segment junction in the area of commotio retinae in 9 patients (81.1%), which subsided in a few days. Five patients (45.5%) revealed areas of disruption of the inner/outer segment junction and hyperreflectivity of the overlying retina, which progressed to external retinal atrophy and visual loss (P = 0.002). The 5 patients with visual sequelae revealed pigment disorders and alterations in fundus autofluorescence and near-infrared autofluorescence during follow-up, and 3 patients (60%) presented with intraretinal hemorrhages. Conclusion: Spectral-domain optical coherence tomography of mild lesions with good visual outcome showed transient hyperreflectivity of the outer retina. The cases with severe trauma were related to acute disruption of the inner/outer segment junction and hyperreflectivity of the overlying retina and were regularly associated with retinal atrophy, pigment disturbance, and poor visual prognosis.

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