Increase in choroidal thickness seen after CPAP therapy

Patients with obstructive sleep apnea syndrome who underwent continuous positive airway pressure therapy experienced an increase in choroidal thickness after 12 months, according to a study.
The prospective, observational study included 30 eyes of 30 patients with obstructive sleep apnea syndrome who were examined before and 12 months after continuous positive airway pressure (CPAP) therapy. Researchers measured choroidal thickness at the fovea and at periodic intervals of 500 µm from the foveal center in both temporal and nasal directions.
After 12 months of CPAP therapy, the choroidal

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