![]() For starters, many people who suffer from sleep apnea are treated with a device known as a CPAP (continuous positive airway pressure) machine. Sleep apnea is a sleep disorder caused by breathing difficulties during sleep, and it may increase the risk of nighttime dryness for several different reasons. If your doctor suspects you are affected by nocturnal lagophthalmos, they may recommend an overnight ointment, a thicker eye drop, or even an eye mask to keep the cornea protected throughout the night. Eye doctors can identify those at risk for nocturnal lagopthalmos by evaluating the eye’s front surface, particularly the lower portion of the eye which is most commonly exposed when the eyelids are not closed during sleep. In these cases, the tears can evaporate, leaving the cornea malnourished for long periods of time. Any time the eyelids do not properly close throughout the night, the front surface of the eye is at risk. The degree of lagophthalmos can be variable the upper and lower eyelids may only be a millimeter apart, or a large portion of the eye may be exposed. In nocturnal lagophthalmos, the eyelids do not close completely during the night. One condition that can greatly increase the risk of nighttime dryness is nocturnal lagopthalmos. Read on to learn how nighttime dryness can affect the eyes and to learn whether or not you are at risk. These conditions are often overlooked, and many people may not realize their eyes are at risk each and every night. But the truth is that there are several undercover causes of dryness that can occur overnight and worsen the symptoms of dry eye disease. ![]() It is easy to think that while we’re sleeping and our eyes are closed, the surface of our eye is protected. ![]() You may find it surprising that, for many people suffering from dry eye disease, nighttime can be the most damaging part of the day. ![]()
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