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Updated: May 30

Sleeping with contact lenses can have several harmful effects on your eyes, including:

  • Corneal ulcers: Sleeping with contact lenses can cause small scratches or abrasions on the surface of the cornea, which can lead to corneal ulcers. These ulcers can be painful and may require medical treatment.

  • Eye infections: Sleeping with contact lenses can increase the risk of developing an eye infection, such as bacterial or fungal keratitis. These infections can cause redness, pain, sensitivity to light, and vision problems.

  • Reduced oxygen supply: Wearing contact lenses reduces the amount of oxygen that reaches the cornea. Sleeping with contact lenses can further decrease the amount of oxygen reaching the cornea, which can lead to swelling, inflammation, and other complications.

  • Dry eyes: Contact lenses can cause dry eyes, especially if they are worn for extended periods. Sleeping with contact lenses can exacerbate this problem, leading to discomfort, irritation, and redness.

Corneal neovascularization: Sleeping with contact lenses can also cause the growth of new blood vessels in the cornea, a condition known as corneal neovascularization. This can lead to a range of complications, including corneal scarring and vision loss.

Overall, it is highly recommended that you remove your contact lenses before going to bed to minimize the risk of these and other potential complications.

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