[{"@context":"https:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/www.myeyeclinicgosforth.com\/can-dehydration-cause-dry-eyes\/#BlogPosting","mainEntityOfPage":"https:\/\/www.myeyeclinicgosforth.com\/can-dehydration-cause-dry-eyes\/","headline":"Can dehydration cause dry eyes\u200b?","name":"Can dehydration cause dry eyes\u200b?","description":"Could your dry eyes be caused by dehydration? Learn how not drinking enough water affects your eyes, and what to do about it.","datePublished":"2025-12-03","dateModified":"2025-12-03","author":{"@type":"Person","@id":"https:\/\/www.myeyeclinicgosforth.com\/author\/myeyeclinic\/#Person","name":"My Eye Clinic","url":"https:\/\/www.myeyeclinicgosforth.com\/author\/myeyeclinic\/","identifier":8,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/8387103c2072d667018bc0a76890e72a3a28b15f0cb4d824dadcb29a5e8e13d3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8387103c2072d667018bc0a76890e72a3a28b15f0cb4d824dadcb29a5e8e13d3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"My Eye Clinic Gosforth","logo":{"@type":"ImageObject","@id":"https:\/\/www.myeyeclinicgosforth.com\/wp-content\/uploads\/2024\/10\/Retina-Sticky-Header-Logo-v2-166x120-Rob-Boyce-My-Eye-Clinic-Newcastle.jpg","url":"https:\/\/www.myeyeclinicgosforth.com\/wp-content\/uploads\/2024\/10\/Retina-Sticky-Header-Logo-v2-166x120-Rob-Boyce-My-Eye-Clinic-Newcastle.jpg","width":167,"height":122}},"image":{"@type":"ImageObject","@id":"https:\/\/www.myeyeclinicgosforth.com\/wp-content\/uploads\/2025\/11\/Can-dehydration-cause-dry-eyes\u200b-Rob-Boyce-My-Eye-Clinic-Newcastle.jpg","url":"https:\/\/www.myeyeclinicgosforth.com\/wp-content\/uploads\/2025\/11\/Can-dehydration-cause-dry-eyes\u200b-Rob-Boyce-My-Eye-Clinic-Newcastle.jpg","height":400,"width":600},"url":"https:\/\/www.myeyeclinicgosforth.com\/can-dehydration-cause-dry-eyes\/","about":["Dry Eye & Blepharitis"],"wordCount":1010,"articleBody":"Can dehydration cause dry eyes\u200b?Have your eyes ever felt sore, gritty, or tired after a long day?You might think it\u2019s because of screen time or allergies, but sometimes, the real cause is much simpler: dehydration.At My Eye Clinic in Gosforth, many people ask, \u201cCan not drinking enough water really cause dry eyes?\u201dThe answer is yes, dehydration can affect your eyes just like it affects the rest of your body.In this blog, we\u2019ll look at how dehydration and dry eyes are linked, what signs to look out for, and how you can keep your eyes feeling healthy and comfortable.What are dry eyes?Dry eyes happen when your eyes don\u2019t have enough moisture to stay comfortable. Normally, a thin layer of tears covers your eyes every time you blink. This tear film keeps your eyes:Smooth and clearProtected from dust and germsComfortable and healthyWhen you don\u2019t make enough tears, or when your tears dry out too quickly, your eyes can start to feel dry, sore, and irritated.Common dry eye symptoms include:Burning or stingingRednessGritty or sandy feelingBlurry vision that improves when you blinkWatery eyes (yes, watery eyes can actually be a sign of dryness!)What causes dry eyes?Dry eyes can happen for many reasons, such as:Ageing\u2013 tear production slows down as we get older.Screen time\u2013 we blink less when using phones or computers.Hormone changes\u2013 menopause can reduce tear quality.Medications\u2013 some tablets can dry out your eyes.Environment\u2013 wind, heating, or air conditioning can dry your eyes.Medical conditions\u2013 like blepharitis or autoimmune diseases.And yes, dehydration is another common reason.How does dehydration cause dry eyes?Your tears are made mostly of water, along with oil and mucus.If your body doesn\u2019t have enough water, it can\u2019t make healthy tears.Here\u2019s what happens when you\u2019re dehydrated:Your body saves water for important organs, like your heart and brain.Less water goes to your eyes.Your tear film becomes thinner and less stable.Your eyes start to feel dry, gritty, or irritated.When the tear film isn\u2019t working properly, your eyes can\u2019t stay moist or protected, leading to that familiar dry, sore feeling.Signs that dehydration might be affecting your eyesIf you\u2019re not sure whether dehydration is to blame, here are a few clues:You might be dehydrated if you:Don\u2019t drink much water during the dayFeel thirsty oftenHave a dry mouth or lipsNotice dark yellow urineFeel tired, dizzy, or lightheadedYou might have dehydration-related dry eyes if your eyes:Feel sore or scratchy by the end of the dayGet worse after spending time in air conditioningFeel irritated after long periods without waterImprove when you drink more fluidsIf this sounds like you, drinking more water could help, but sometimes you\u2019ll also need extra eye care.How much water should you drink for healthy eyes?Most adults need around 6 to 8 glasses of water a day.If you exercise, spend time in hot weather, or drink coffee or alcohol (which can dehydrate you), you may need a bit more.Try these simple habits to stay hydrated:Keep a water bottle nearby and sip through the day.Eat foods with high water content, like cucumber, melon, or oranges.Limit sugary or caffeinated drinks.Add a slice of lemon or cucumber if plain water feels boring.Staying hydrated helps your eyes, and your whole body, feel better.Other ways to help dry eyes caused by dehydrationDrinking water is a great start, but sometimes your eyes need a bit more help to feel comfortable again.Here are some tips and treatments that can make a difference:1. Use lubricating eye dropsArtificial tears add moisture to your eyes and help replace the tears you\u2019re missing.Choose preservative-free drops if you use them more than four times a day.2. Blink more oftenWhen we stare at screens, we blink less. Try to blink fully and regularly, especially during work.3. Rest your eyesFollow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds.4. Use a humidifierAdding moisture to the air helps keep your eyes from drying out, especially in heated or air-conditioned rooms.5. Eat foods rich in omega-3 fatty acidsFish like salmon and sardines, or plant sources like flaxseeds and walnuts, can help improve your tear quality.6. Avoid smoke and strong windBoth can dry out your eyes quickly. Wear sunglasses outdoors to protect your eyes from wind and sun.When to see an eye specialistIf your eyes still feel sore or gritty even after drinking more water and using drops, it\u2019s time to see an eye specialist.At My Eye Clinic in Gosforth, we perform a dry eye assessment to find out exactly why your eyes feel dry.We check:The quality of your tearsThe health of your eyelid glandsThe surface of your eyesAny signs of inflammation or damageOnce we know what\u2019s causing the dryness, we create a personal treatment plan that works for you.Treatments may include:IPL therapy to reduce inflammationBlephEx\u00ae to clean and refresh your eyelidsPrescription eye drops or gels to help your eyes healOur goal is to make your eyes feel more comfortable, and keep them that way.Final thoughtsDehydration can absolutely cause or worsen dry eyes. When your body doesn\u2019t have enough water, your eyes can\u2019t make healthy tears, leaving them dry, sore, and irritated.Drinking plenty of water and caring for your eyes every day can make a big difference. But if your symptoms don\u2019t go away, it\u2019s best to see an eye specialist for a proper assessment.At My Eye Clinic in Gosforth, we\u2019ll help you understand what\u2019s causing your dry eyes and find the right treatment for lasting comfort.Take our dry eye suitability self-test today and take the first step toward clearer, more comfortable eyes."},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Can dehydration cause dry eyes\u200b?","item":"https:\/\/www.myeyeclinicgosforth.com\/can-dehydration-cause-dry-eyes\/#breadcrumbitem"}]}]