jeudi 17 septembre 2026

These are the consequences of sleeping with a… See more

 

What can happen to your eyes while you sleep and how to protect them.

A shocking image circulating on social media shows an eye seemingly infested with tiny organisms around the eyelashes, accompanied by a warning about the supposed consequences of   sleeping in certain conditions. While the photograph appears alarming, it’s important to clarify something from the outset:  the image seems to be manipulated or created for illustrative purposes . The organisms shown are of a size and appearance that don’t correspond to how certain microorganisms associated with eyelashes would normally be seen with the naked eye. However, behind these posts lies a real issue that many people are unaware of: tiny mites known as Demodex can live in eyelash follicles  .They are microscopic and, in normal quantities, can be found in many people without causing any problems. The situation changes when there is excessive proliferation or other factors appear that cause inflammation.

Can tiny mites really exist on eyelashes?

Yes. There are different species of Demodex mites that can be found naturally on human skin.

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Two of the best-known are  Demodex folliculorum  and  Demodex brevis . They can live around hair follicles and sebaceous glands, including the eyelash area.

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But there is a fundamental difference compared to many viral images: these organisms are extremely small.

They shouldn’t be seen crawling on your eyelashes like large insects. Magnification is usually needed to observe them properly.

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Why can a person have them without realizing it

The presence of Demodex does not automatically mean that there is a disease.

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Many people can have them without experiencing any symptoms. The problem can arise when their number increases significantly or when they coincide with certain alterations of the ocular surface and eyelids.

In these cases, irritation and inflammation may develop around the eyelashes.

Signs that may appear on the eyelids

When there is a significant proliferation of Demodex or other forms of blepharitis, some people may experience different discomforts.

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These may include itching around the eyelashes, burning sensation, redness of the eyelids, eye irritation, and accumulation of residue around the base of the eyelashes.

Can tiny mites really exist on eyelashes?

Yes. There are different species of Demodex mites that can be found naturally on human skin.

BookDermatology Consults

Two of the best-known are  Demodex folliculorum  and  Demodex brevis . They can live around hair follicles and sebaceous glands, including the eyelash area.

Buy Antiparasitic Treatments

But there is a fundamental difference compared to many viral images: these organisms are extremely small.

They shouldn’t be seen crawling on your eyelashes like large insects. Magnification is usually needed to observe them properly.

DiscoveringPremium Make-Up And Cosmetics

Why can a person have them without realizing it

The presence of Demodex does not automatically mean that there is a disease.

OrderParasite Tests

Many people can have them without experiencing any symptoms. The problem can arise when their number increases significantly or when they coincide with certain alterations of the ocular surface and eyelids.

In these cases, irritation and inflammation may develop around the eyelashes.

Signs that may appear on the eyelids

When there is a significant proliferation of Demodex or other forms of blepharitis, some people may experience different discomforts.

OrderParasite Tests
Buy Antiparasitic Treatments

These may include itching around the eyelashes, burning sensation, redness of the eyelids, eye irritation, and accumulation of residue around the base of the eyelashes.

While we  sleep, our skin comes into contact with the sheets and especially the pillow for several hours.

Fat, sweat, dead cells, and cosmetic residue can accumulate in tissues.

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For this reason, it is advisable to wash bedding regularly, particularly pillowcases.

This is part of good general hygiene, although it does not mean that a pillow used for a few days will automatically cause eye disease.

Does sleeping with pets cause these mites?

This is another claim that often appears alongside similar photographs.

Demodex mites associated with humans are adapted to living on people. It would be incorrect to say that  sleeping next to a dog or cat automatically causes an infestation of these mites on your eyelashes.

Even so, people with allergies may experience eye symptoms when exposed to dander, hair, or other animal allergens.

 on will automatically cause a mite infestation.

Do not attempt to remove anything with tweezers.

If you notice crusting, inflammation, or small debris around your eyelashes,  do not insert tweezers, needles, or other objects near your eye 

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Improper handling can cause corneal injuries, eyelid wounds, or infections.

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An ophthalmologist can examine the eyelashes using magnifying instruments and determine what is actually causing the symptoms.

How is a Demodex-related problem diagnosed?

The diagnosis should not be made solely by observing the eye in front of a mirror. Red eyes can have numerous causes.

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Allergies, dry eyes, conjunctivitis, cosmetic irritation, blepharitis, and other conditions can produce similar symptoms.

For this reason, using a treatment based solely on a photograph found on social media can worsen the problem.

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A professional can examine the eyelids and look for characteristic signs around the eyelashes.

In certain circumstances, a more detailed evaluation may be carried out to identify the cause of the inflammation.

Not all red eyes mean the same thing

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