Research advances on the impact of obstructive sleep apnea on ocular fundus diseases

Obstructive sleep apnea (OSA) is a common sleep disorder that is closely associated with ocular fundus diseases such as glaucomatous optic neuropathy, nonarteritic anterior ischemic optic neuropathy, diabetic retinopathy, central serous chorioretinopathy and retinal vein occlusion.The main mechanisms by which OSA affects fundus diseases include intermittent hypoxia, activation of sympathetic nervous system, systemic oxidative stress, and inflammatory response, but the specific mechanisms require further investigation.The therapeutic modality such as continuous positive airway pressure can alleviate the symptoms of ocular fundus diseases in the patients with OSA and reduce the risk of disease progression.Therefore, clinicians should recognize the relationship between OSA and fundus diseases, understand the impact of OSA on these diseases, and achieve early diagnosis and treatment of the OSA-associated fundus diseases to reduce the risk of severe visual impairment and blindness.

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