If dryness is caused by eyelids that don’t close completely, a barrier, such as a sleep mask or eye seal, can help to retain moisture on the cornea. The thickness could interfere with clear vision and should be applied at bedtime. If you’d like to help preserve moisturizing tears at night, choose a viscous eye gel that is meant to coat the eye at night. Start with lubricating tears, gels and ointments. Also, if you address the symptoms related to dryness during the day, you can limit the irritation of dry eyes at night. There are many over-the-counter remedies that relieve the irritation of dry eyes at night. Because body functions slow, blood circulation slows and there are fewer nutrients reaching the eye and fewer tears being produced.Īs mentioned earlier, incomplete eyelid closure during sleep can also contribute to dry, irritated eyes. Body temperature drops one to two degrees as bedtime nears, and metabolism slows during sleep. One theory involves how the body’s metabolism changes at night. Computer use can also make your eyes drier because you may not blink as often when looking at a computer screen, causing rapid tear evaporation.Īfter using them all day, your eyes are naturally dried out. Working or living in a smoky, dry environment can also cause tears to evaporate rapidly and dry the surface of your eyes. Environmental factors associated with dry eye LASIK surgery and long-term contact lens use can also contribute to dry eyes. The American Optometric Association (OAO) notes that aging, and taking certain medications including antihistamines, decongestants and blood pressure drugs, can cause dry eyes. Some women experience dry eyes due to hormonal changes associated with menopause. Health disorders can also result in dry eyes, including Sjorgen disease, Sarcoid disease, diabetes, thyroid problems and sleep apnea. Because the surface of the eye is exposed during the night it becomes dry. This is caused by facial palsy, deformity of the lid or incomplete healing from eyelid surgery. The results suggest that adult females with metabolic disorders may also have dry eye syndrome.Īnother dry eye disorder is called “ nocturnal lagophthalmos“ it’s the inability to close eyelids completely during sleep. National Library of Medicine National Institutes of Health. There’s also a connection between dry eyes, inflammation and metabolic disorders according to a published study by the U.S. If there aren’t enough tears, your cornea gets dry and irritated. With each blink, the underside of your eyelid spreads moisture over the cornea. A common underlying factor of dry eyes involves tears – not making enough of them, having poor tear quality or rapid tear evaporation. The causes of recurring dry eyes vary widely. Before going into the specifics of night dryness, let’s look at what can cause eye dryness. This article explores the causes of eye dryness at night and the steps you can take to reduce or rid yourself of the nuisance. Fortunately, you may not have to live with dry eye pain at night and miss out on fun activities any longer. Your dry eyes may have kept you from attending a special evening out or joining friends after work. If you’ve suffered from regular or seasonal eye dryness, you may have noticed that the irritation worsens throughout the day and peaks at night. The itch, irritation and the gritty feelings are distracting, and irritation can get so bad as the day draws on, that it can border on painful.
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