Health and Me

Rachel V Thomas

John Cena Blames 'Eye Mites,' Not Age, For His Blurry Vision

When <span>John Cena</span> started noticing <span>blurry vision</span>, he assumed it was simply part of getting older. But the worsening eyesight was also accompanied by redness, itchiness and crusting around his eyes.

“I had a lot of redness and itchiness, and every once in a while, waking up with eye crusties and stuff. At the same time, given my age — I'm 49 now — my vision was going a little bit, so I just figured it was par for the course. But because my vision was going, I needed to see if I needed glasses or prescriptions.”

Until then, Cena had delayed getting his eyes checked. He believed that the symptoms were caused by bright lights, excessive screen time or ageing. 

However, an eye examination gave him a surprise. Cena learned that his symptoms were caused by <span>Demodex</span> blepharitis, a condition he says he had never heard of.

“Diagnosed with Demodex blepharitis, which I didn't even know existed.”

<h2>What Are <span rel="noindex">Demodex Mites</span>?</h2>

<strong>Also read: </strong><a href="https://www.healthandme.com/health-wellness/study-decodes-why-covid-survivors-continue-to-suffer-vision-problems-article-155056007" data-type="tilCustomLink">Study Decodes Why COVID Survivors Continue To Suffer Vision Problems</a>

Demodex mites are tiny, eight-legged organisms that live naturally on human skin, particularly around hair follicles. Measuring just 0.15 to 0.4 millimeters, they are invisible to the naked eye but are present on the skin of almost every adult.

These microscopic mites feed on sebum (the skin's natural oil) and dead skin cells, helping remove accumulated debris under normal conditions.

Demodex mites are most active at night. They emerge from hair follicles after sunset because ultraviolet (UV) light is harmful to them. While people sleep, the mites feed, crawl and reproduce on the skin's surface.

They are also believed to be stimulated by melatonin, the hormone that helps regulate sleep, creating a unique relationship between humans and these naturally occurring organisms.

<h2>When Can Demodex Mites Become A Problem?</h2>

Although harmless in small numbers, Demodex mites can cause problems if they multiply excessively—a condition known as demodicosis.

According to Dr. Richard Locksley, professor of medicine at the University of California, San Francisco, an overgrowth of Demodex mites can contribute to:

<ul><li>Rosacea</li><li>Blepharitis (eyelid inflammation)</li><li>Acne-like breakouts</li><li>Itchy, inflamed skin</li></ul>

<strong>Read More: </strong><a href="https://www.healthandme.com/health-news/wegovy-more-likely-to-cause-rare-blindness-than-ozempic-and-other-similar-drugs-recent-study-finds-article-155092798" data-type="tilCustomLink">Wegovy More Likely To Cause Rare Blindness Than Ozempic And Other Similar Drugs, Recent Study Finds</a>

People with weakened immune systems are particularly vulnerable because their bodies may be less able to control mite populations. In addition, inadequate sleep may increase oil production, providing more nourishment for the mites.

For most healthy people, Demodex mites are a normal part of the skin microbiome and are not considered harmful. Problems generally arise only when their numbers increase significantly.

<ul><li>Wash your face every night with a gentle, non-comedogenic cleanser to remove excess oil and debris.</li><li>Remove eye makeup and false eyelashes before bed, as these can encourage mite buildup.</li><li>Get adequate sleep, since poor sleep may increase sebum production.</li><li>Consult a dermatologist if you experience persistent redness, itching or inflammation around the eyes or skin.</li></ul>

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john cena

Blurry Vision

Eye Mites

demodex mites

demodex

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When John Cena started noticing blurry vision, he assumed it was simply part of getting older. But the worsening eyesight was also accompanied by redness, itchiness and crusting around his eyes.“I had a lot of redness and itchiness, and every once in a while, waking up with eye crusties and stuff. At the same time, given my age — I'm 49 now — my vision was going a little bit, so I just figured it was par for the course. But because my vision was going, I needed to see if I needed glasses or prescriptions.”Until then, Cena had delayed getting his eyes checked. He believed that the symptoms were caused by bright lights, excessive screen time or ageing. However, an eye examination gave him a surprise. Cena learned that his symptoms were caused by Demodex blepharitis, a condition he says he had never heard of.“Diagnosed with Demodex blepharitis, which I didn't even know existed.”What Are Demodex Mites?Also read: Study Decodes Why COVID Survivors Continue To Suffer Vision ProblemsDemodex mites are tiny, eight-legged organisms that live naturally on human skin, particularly around hair follicles. Measuring just 0.15 to 0.4 millimeters, they are invisible to the naked eye but are present on the skin of almost every adult.These microscopic mites feed on sebum (the skin's natural oil) and dead skin cells, helping remove accumulated debris under normal conditions.How Do Demodex Mites Work?Demodex mites are most active at night. They emerge from hair follicles after sunset because ultraviolet (UV) light is harmful to them. While people sleep, the mites feed, crawl and reproduce on the skin's surface.They are also believed to be stimulated by melatonin, the hormone that helps regulate sleep, creating a unique relationship between humans and these naturally occurring organisms.When Can Demodex Mites Become A Problem?Although harmless in small numbers, Demodex mites can cause problems if they multiply excessively—a condition known as demodicosis.According to Dr. Richard Locksley, professor of medicine at the University of California, San Francisco, an overgrowth of Demodex mites can contribute to:RosaceaBlepharitis (eyelid inflammation)Acne-like breakoutsItchy, inflamed skinRead More: Wegovy More Likely To Cause Rare Blindness Than Ozempic And Other Similar Drugs, Recent Study FindsPeople with weakened immune systems are particularly vulnerable because their bodies may be less able to control mite populations. In addition, inadequate sleep may increase oil production, providing more nourishment for the mites.Should You Be Worried?For most healthy people, Demodex mites are a normal part of the skin microbiome and are not considered harmful. Problems generally arise only when their numbers increase significantly.To help reduce the risk of overgrowth:Wash your face every night with a gentle, non-comedogenic cleanser to remove excess oil and debris.Remove eye makeup and false eyelashes before bed, as these can encourage mite buildup.Get adequate sleep, since poor sleep may increase sebum production.Consult a dermatologist if you experience persistent redness, itching or inflammation around the eyes or skin.

john cena blames 'eye mites,' not age, for his blurry vision

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