Peripapillary choroidal thickness in contralateral eyes after evisceration of diseased eyes
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ABSTRACT Purpose: To evaluate peripapillary choroidal thickness changes in contralateral eyes of patients who had undergone evisceration of their diseased eyes. Methods: In this retrospective study, peripapillary choroidal thickness parameters in 34 eyes of 34 patients who had undergone diseased-eye evisceration between March 2014 and May 2016 were evaluated using spectral domain optical coherence tomography. The scans were manually delineated to identify the principal surfaces of Bruch’s membrane, the Bruch’s membrane opening, and the anterior sclera. Peripapillary choroidal thickness was measured between the Bruch’s membrane and the anterior sclera at increasing distance away from the Bruch’s membrane opening. The mean peripapillary choroidal thickness values in the contralateral eyes of the patients and those of the control group were compared. Results: The mean peripapillary choroidal thickness was higher in the contralateral eyes of the patients compared with that of normal eyes at all distances from the Bruch’s membrane opening. Conclusion: Increased peripapillary choroidal thickness was noted in the contralateral eyes of the patients, potentially resulting in a thicker choroid. Although further investigation is required to determine the cause, these findings indicate the presence of a compensatory factor in the contralateral eyes.