Evie Summers
Sleeping in colored contact lenses can lead to various eye problems. Contact lenses are designed to sit on the surface of your eyes, which need a continuous supply of oxygen to stay healthy. When you sleep with contact lenses in, you reduce the amount of oxygen that reaches your eyes, creating an environment where bacteria and other pathogens can thrive. This can lead to eye infections, corneal damage, dry eyes, discomfort, and even permanent vision loss. While it may be tempting to leave your contacts in while you sleep, it is important to prioritize your eye health and remove them before bed.
| Characteristics | Values |
|---|---|
| Risk of eye infection | 6-8 times higher |
| Types of eye infection | Bacterial keratitis, fungal keratitis, microbial keratitis, conjunctivitis |
| Other risks | Corneal damage, corneal ulcers, corneal hypoxia, blurred vision, light sensitivity, eye fatigue, dry eyes, discomfort, irritation, redness, persistent eye scarring, vision loss |
| Actions if slept in | Don't panic, don't remove contacts immediately, blink to lubricate, gently massage eyes, nudge lenses out, rinse with sterile solution, rest eyes |
| General advice | Don't sleep in contacts, remove nightly, consult eye doctor if issues |
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What You'll Learn
Increased risk of eye infections
Sleeping in colored contact lenses can increase your risk of eye infections. This is because, during sleep, your eyes receive less oxygen due to the contact lenses covering their surface and reducing the amount of air that reaches them. This reduction in oxygen can lead to various eye health issues, including an increased risk of eye infections.
The decrease in oxygen becomes even more severe during sleep, as your eyes are closed, reducing the amount of oxygen available to the cornea from the atmosphere. Contact lenses act as an extra barrier, further reducing oxygen transmission to the eyes. This can lead to a state called hypoxia, where the cornea does not receive enough oxygen.
Additionally, the natural cleaning process of blinking slows down during sleep, creating an ideal environment for bacteria to grow. This increases the risk of bacterial or microbial invasion, potentially leading to eye infections. The risk of infection is further heightened by the contact lenses trapping bacteria and other pathogens in the eye, which can cause various infections, including conjunctivitis and microbial keratitis.
Sleeping in contact lenses can also lead to corneal damage, as the cornea may become damaged due to prolonged contact lens wear, especially during sleep. This can result in corneal ulcers, which are painful and can cause vision loss if not treated promptly.
To maintain eye health and reduce the risk of eye infections, it is recommended to remove contact lenses before bedtime and practice good contact lens hygiene.
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Heightened risk of corneal ulcers
While sleeping in contact lenses may seem harmless, it can have serious consequences for your eye health. Sleeping in coloured contacts can heighten your risk of corneal ulcers.
The cornea, the clear front surface of the eye, can become damaged due to prolonged contact lens wear, especially during sleep. This damage can result in corneal ulcers, which are like open wounds or sores on your cornea. Corneal ulcers are often the result of eye infections, such as microbial keratitis, which can cause serious complications if left untreated.
Corneal ulcers are a medical emergency and require immediate care. They can cause permanent eye damage, low vision, and even blindness, especially if not treated quickly and appropriately. The risk of developing corneal ulcers is significantly higher for contact lens wearers, and even more so if they sleep with their lenses in.
One of the main reasons corneal ulcers develop is the reduction in oxygen reaching the cornea when sleeping with contact lenses. This creates an ideal environment for bacteria and other pathogens to thrive, increasing the risk of infection and subsequent corneal ulcer formation. Additionally, the longer you use soft contact lenses, the more likely they are to grow bacteria, further increasing the risk of infection and corneal ulcers.
To reduce the risk of corneal ulcers, it is crucial to remove contact lenses before sleeping and to follow proper contact lens care instructions. Daily disposable lenses are recommended as they are the safest in terms of reducing infection risk. It is also important to maintain good hand hygiene and eye protection to minimize the chances of developing corneal ulcers.
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Dry, painful, red eyes
Sleeping in your colored contact lenses can lead to dry, painful, and red eyes. This is because your eyes need a continuous supply of oxygen to stay healthy, and wearing contact lenses can reduce the amount of oxygen that reaches your eyes, especially when your eyes are closed during sleep. This reduction in oxygen can lead to various eye health issues if not properly managed.
Contact lenses can also adhere more tightly to the surface of your eyes overnight, making them difficult to remove and increasing the risk of irritation. This can cause further discomfort and even scratches or other injuries to your eye.
Sleeping with contact lenses in your eyes can also lead to a number of eye infections. This is because the lenses create a warm, moist environment that is ideal for bacteria and other pathogens to thrive. This increases the risk of infections such as microbial keratitis, which is the inflammation and infection of the cornea. If left untreated, microbial keratitis can lead to persistent eye scarring that can result in blindness and visual loss.
If you wake up with your colored contact lenses still in, do not panic or remove them immediately. Instead, start by gently massaging your eyes to get some moisture moving, and try to nudge the lenses out of your eye. To help rehydrate your eyes, you can blink and use artificial tears. It is recommended that you then rest your eyes and avoid wearing contact lenses for 24 hours to allow your eyes to recover from any redness, dryness, and irritation.
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Potential for corneal damage
Sleeping in colored contact lenses is generally not advised. While it may seem convenient, doing so can lead to several issues, including an increased risk of eye infections, corneal damage, and other complications.
The cornea, the transparent front part of the eye, requires an adequate supply of oxygen to stay healthy and function properly. When you sleep with your colored contacts on, the lenses act as a barrier, reducing the amount of oxygen that reaches the cornea. This can lead to a condition called corneal hypoxia, where the cornea does not receive enough oxygen. As a result, the cornea's surface can become damaged, affecting its ability to regenerate new cells and defend against microbes.
Additionally, the natural cleaning process of the eyes slows down during sleep, creating an ideal environment for bacteria to grow. This increases the risk of bacterial infections, such as conjunctivitis, and more severe conditions like corneal ulcers, which can cause significant vision impairment or even permanent vision loss if left untreated.
Furthermore, the movement of eyelids during sleep can cause the lenses to shift out of place or become stuck, leading to irritation, discomfort, and even scratches on the cornea. Waking up with dry, gritty eyes can lead to a cycle of irritation and potential injury.
While it may be tempting to leave your colored contacts in while sleeping, it is important to prioritize the health and safety of your eyes. Always remove and properly clean your contact lenses each night before bed to reduce the risk of corneal damage and other eye-related issues.
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Oxygen deprivation
Oxygen is essential to maintaining healthy eyes. When you sleep with your colored contacts in, you restrict the amount of oxygen that reaches your cornea. This can lead to a condition called hypoxia, where the cornea does not receive enough oxygen.
The cornea requires a constant supply of oxygen to stay healthy and function properly. When you sleep with your eyes closed, the amount of oxygen available to the cornea from the atmosphere is already reduced. Contact lenses act as an additional barrier, further decreasing oxygen transmission to the eyes. This reduction in oxygen can have several negative consequences for eye health.
One of the main risks associated with oxygen deprivation is the increased likelihood of eye infections. During sleep, the natural cleaning process of blinking slows down. This creates an ideal environment for bacteria, fungi, viruses, and parasites to thrive, leading to infections such as microbial keratitis, bacterial keratitis, and fungal keratitis. These infections can have serious complications, including corneal damage, surgery, and potential vision loss if left untreated.
In addition to infections, oxygen deprivation can also result in corneal ulcers. The cornea is the clear front surface of the eye, and when it doesn't receive enough oxygen, it becomes vulnerable to damage. Corneal ulcers are open sores that form on the cornea, causing pain and significant vision impairment. If not treated promptly and appropriately, corneal ulcers can lead to permanent vision loss.
To prevent oxygen deprivation and its associated risks, it is crucial to remove colored contacts before sleeping. By taking out your contacts each night, you allow your eyes to breathe and maintain the necessary oxygen levels. This simple practice helps ensure the health and safety of your eyes, reducing the chances of infections, corneal damage, and other complications.
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Frequently asked questions
There's no need to panic if you've only slept in your colored contacts once or twice. However, it is still a risky habit that can lead to eye infections and permanent vision damage.
Sleeping in your colored contacts can lead to various issues, including dry, painful, or red eyes. It can also increase your risk of eye infections, such as microbial keratitis, which can cause vision loss and permanent scarring.
If your colored contacts are stuck, don't panic. Gently massage your eyes to get some moisture moving, and then try to nudge the lenses out gradually with your thumb and index finger.
If you experience any side effects, such as redness, blurred vision, irritation, or dry eye, remove the contacts immediately and let your eyes rest for the rest of the day. Contact your eye doctor right away if any symptoms persist.
