Sleep apnea can cause eye problems? It can happen. The low oxygen levels caused by sleep apnea can lead to a host of significant issues include vascular occlusion in the eye. Common? Branch and Central Retinal Vein Occlusions are frequently seen in our five offices. How many of them are related to sleep disorders? We really don’t know. The bottom line is if you’ve been diagnosed with sleep apea, wear your CPAP as instructed. If you’re a world-class snorer and haven’t had a sleep study, schedule one as soon as possible. Your eyes, or even your life may be at risk.