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Niagara Falls, ON / (289) 296-6970

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Can You Sleep With Contact Lenses?

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Why Halloween Raises the Question

Halloween is a time for costumes, creativity, and experimenting with new looks; including bold coloured contact lenses. Whether you’re aiming for vampire red, cat-eye yellow, or mystical green, coloured lenses can completely transform a costume and add an extra layer of realism. But with all the excitement of the season, it’s easy to forget proper lens care, and one question often arises: can you sleep with your contact lenses?

Understanding the risks of sleeping in lenses, especially coloured or novelty contacts, is important for keeping your eyes healthy while enjoying the convenience and fun of these lenses during Halloween. Sleeping with contact lenses, especially coloured or novelty lenses, is not recommended because it reduces oxygen to the eyes and increases the risk of irritation, infection, and other complications.

What Happens When You Sleep With Contact Lenses

Your eyes rely on a steady supply of oxygen to remain healthy. When you blink, oxygen passes through your tears to the cornea, helping to maintain clear, comfortable vision. Contact lenses allow some oxygen to pass through, but closing your eyes for hours during sleep limits this supply.

Reduced Oxygen Flow

Sleeping in contact lenses restricts oxygen to your cornea, which can lead to dryness, irritation, or swelling. Coloured lenses, which often have additional pigment layers, may slightly reduce oxygen permeability compared to standard lenses. This makes following recommended wear schedules even more important during seasonal use.

A Breeding Ground for Bacteria

When lenses are left in overnight, tear circulation is limited, and debris and bacteria aren’t cleared as effectively. This warm, moist environment can increase the risk of eye infections. While one night of sleeping in lenses doesn’t always cause serious issues, repeated use raises the likelihood of complications such as keratitis or corneal ulcers.

Are Coloured Contacts Safe for Extended Wear?

Some contact lenses are approved for overnight wear, but most novelty and Halloween-style coloured contacts are designed for short-term use only. These lenses are meant to be worn for a few hours at a time and then removed and properly cleaned or discarded. Wearing them overnight can increase the risk of eye irritation and infection, even if the lenses feel comfortable at first.

Not Everyone’s Eyes Respond the Same

Even with durable lenses, some eyes are more sensitive than others. Factors such as dry eye, allergies, or existing eye conditions can make overnight wear more risky. It’s important to check with your optometrist before attempting any extended or overnight wear, particularly with coloured or decorative lenses.

Risks of Sleeping in Coloured Contact Lenses

Sleeping in lenses, especially coloured ones, can create several issues:

  • Dryness and irritation due to reduced oxygen supply
  • Eye infections from bacteria accumulating on the lens and eye surface
  • Corneal abrasions or ulcers in severe cases
  • Swelling or inflammation, leading to blurred vision
  • Discomfort that can persist even after removing the lenses

Why These Risks Matter

Even minor irritation can disrupt daily life, while more serious complications may affect long-term eye health. Coloured lenses can look fun and festive, but they’re medical devices that interact directly with your eyes. Following usage guidelines helps you enjoy the aesthetic benefits safely.

What to Do If You Accidentally Sleep in Your Lenses

Many people accidentally fall asleep in their lenses during busy days or while preparing for events like Halloween parties. If that happens, it’s important to take a careful approach:

  • Apply sterile lubricating drops to help rehydrate your eyes before removing the lenses.
  • Wait 15 to 20 minutes before taking your lenses out to reduce the chance of irritating the cornea.
  • Monitor how your eyes feel afterward. Persistent pain, redness, or sensitivity to light are signals to contact an eye care professional.

Building Healthy Habits With Coloured Contacts

Healthy habits make wearing coloured contacts both safe and enjoyable. Following these guidelines supports comfort and reduces the risk of complications:

  • Always wash and dry your hands before inserting or removing lenses
  • Follow the manufacturer’s usage instructions carefully
  • Avoid sleeping in lenses
  • Use fresh solution if lenses are reusable
  • Take breaks by switching to glasses when possible
  • Keep regular appointments with your optometrist

By treating coloured lenses with the same care as prescription lenses, you can enjoy festive looks while keeping your eyes healthy.

Creative Ways to Use Coloured Lenses for Halloween

An adult in a clown costume wearing contact lenses.

At Eye Wellness, we carry an exciting range of coloured contact lenses that can dramatically change your appearance and add a finishing touch to any costume. Popular options for Halloween include:

  • Vampire or zombie red for a classic eerie effect
  • Cat-eye yellow or green for mystical or animal-inspired characters
  • Subtle shades like violet or blue to enhance your natural eye colour while adding a seasonal twist

Combining coloured lenses with makeup, masks, or costume accessories can elevate your overall look, making it more convincing and memorable.

A Note on Fit & Comfort

Proper fit is key to safe, comfortable wear. Coloured lenses should match your eye shape and size, which is why consulting with an optometrist is recommended. Correct fit prevents irritation, promotes oxygen flow, and keeps your Halloween look comfortable throughout the night.

So make sure to stop by if you’re looking for a safe (and fun) pair of coloured contacts!

A Holistic Approach to Eye Care

Choosing coloured contacts for Halloween isn’t just about looking good; it’s about protecting your eyes while enjoying the season. Safe habits, informed choices, and professional guidance all play a role in keeping your vision healthy.

At Eye Wellness, we provide access to a wide selection of coloured lenses perfect for special occasions. With a focus on holistic, sustainable, and patient-centred care, our team can guide you in enjoying seasonal looks without compromising long-term eye health.

.Visit Eye Wellness today to explore our selection of coloured contact lenses and get guidance on protecting your eyes while enjoying the season.

Written by Laurie Capogna

Dr. Laurie Capogna is a doctor of optometry and the founder of Eye Wellness. Her mission is to educate and inspire her patients, the public, and the eye care community about the power of nutrition and lifestyle in ocular health. She regularly presents educational lectures and articles on eye health and nutrition, and has co-authored two best-selling books on these subjects; Eyefoods: A Food Plan for Healthy Eyes and Eyefoods for Kids: A Tasty Guide to Nutrition and Eye Health.

More Articles by Laurie Capogna

Our Blogs

Can You Sleep With Contact Lenses?

Eye HealthLife Style

Sleeping with contact lenses, especially coloured or novelty lenses, is not recommended because it reduces oxygen to the eyes and increases the risk of irritation, infection, and other complications. […]

Read More…

September 24, 2025
Laurie Capogna

How Can You Tell If Sunglasses Are Polarized?

EyewearSunglasses

You can tell if sunglasses are polarized by looking at a digital screen; if the screen appears dark or changes when you tilt your head, the lenses are likely polarized. […]

Read More…

August 25, 2025
Laurie Capogna

Can Contact Lenses Expire?

Contact Lenses

Yes, all contact lenses do expire, and using them past their shelf life can pose serious risks to your eye health and vision. […]

Read More…

August 11, 2025
Laurie Capogna

Sleeping with contact lenses, especially coloured or novelty lenses, is not recommended because it reduces oxygen to the eyes and increases the risk of irritation, infection, and other complications. […]

Read More…

You can tell if sunglasses are polarized by looking at a digital screen; if the screen appears dark or changes when you tilt your head, the lenses are likely polarized. […]

Read More…

Yes, all contact lenses do expire, and using them past their shelf life can pose serious risks to your eye health and vision. […]

Read More…

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We are located at the corner of Portage Rd. and Colborne St., in the same complex as the Shoppers Drug Mart and Stamford Centre Library.

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  • 3643 Portage Rd, Unit 9
  • Niagara Falls, ON L2J 2K8

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Our Services

Digital Eye Strain in Niagara Falls
Eye Nutrition in Niagara Falls
Dry Eye Therapy in Niagara Falls
Eye Disease Diagnosis & Management
in Niagara Falls
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