Why Your Eyes Are Watery and Burn and What to Do

Excessive watering and a burning sensation in the eyes are common and often uncomfortable. These symptoms can range from temporary irritations to indicators of underlying conditions. Understanding their causes is the first step toward finding relief and maintaining eye health.

Everyday Irritants and Environmental Factors

External elements frequently cause eyes to water and burn. Allergens like pollen, dust mites, pet dander, and mold trigger an allergic response, leading to itching, redness, and excessive tearing. When allergens contact the eye, histamine is released, causing inflammation.

Environmental irritants like smoke, air pollution, and strong chemical fumes provoke these symptoms. These particles and chemicals directly irritate the eye, prompting a burning sensation and reflex tearing.

Dry air, often from air conditioning, heating, or arid climates, causes rapid moisture evaporation from the tear film. This leaves eyes feeling dry, gritty, and can lead to reflex tearing as the eye compensates. Prolonged screen use, or digital eye strain, also contributes because people blink less frequently. Reduced blinking means the tear film isn’t replenished, leading to dryness, burning, and sometimes blurred vision. Small foreign objects like dust, sand, or an eyelash can cause immediate sharp pain, burning, irritation, and excessive watering.

Common Eye Conditions

Beyond everyday irritants, several common medical conditions cause persistent watery and burning eyes. Dry Eye Syndrome is a widespread condition where eyes do not produce enough tears or tears evaporate too quickly. Dry eye often results in reflex tearing, where the eye overproduces watery tears in response to irritation, lacking necessary lubricating components. This imbalance leads to dryness, burning, and watery discharge.

Conjunctivitis, or pink eye, is inflammation of the conjunctiva, the membrane covering the white part of the eye and inner eyelids. It can be viral, bacterial, or allergic. Viral conjunctivitis typically causes watery discharge and burning, often with cold or flu-like symptoms. Bacterial conjunctivitis often presents with a thicker, yellowish or greenish discharge, causing eyelids to stick together. Allergic conjunctivitis is characterized by intense itching, redness, and tearing, usually affecting both eyes and triggered by specific allergens.

Blepharitis is eyelid inflammation, often at the lash line, causing redness, itching, flaking, and a gritty sensation. This can disrupt eyelid oil glands, leading to an unstable tear film and irritation. Styes and chalazia are inflammations of eyelid glands, appearing as tender, red bumps. Styes are typically painful and cause discomfort and watery eyes, while chalazia are usually painless, though both can contribute to eye irritation.

Corneal abrasions, or scratches on the clear front surface of the eye, or persistent foreign bodies, can cause severe watering and burning. The cornea is highly sensitive; even a small scratch can feel like a large object, leading to significant pain, redness, and tearing.

At-Home Comfort Measures

Several at-home measures can soothe watery and burning eyes. Artificial tears, or lubricating eye drops, supplement the natural tear film, providing moisture and reducing friction on the cornea. These drops help stabilize the tear film and wash away irritants.

Compresses also offer relief. A warm compress can help clear blocked glands for conditions like blepharitis or styes, while a cold compress can reduce swelling and itching from allergies or inflammation. Avoiding known irritants includes wearing sunglasses outdoors, staying indoors during high pollen counts, and using air purifiers. Proper eye hygiene, such as gently cleaning eyelids, prevents buildup of debris and oils.

Taking regular breaks from digital screens is important, especially for digital eye strain. The 20-20-20 rule suggests looking at something 20 feet away for 20 seconds every 20 minutes to allow eye muscles to relax and blinking to normalize. Maintaining adequate hydration by drinking plenty of water supports eye health, as proper fluid intake helps maintain tear production and quality.

When Professional Help Is Needed

While many instances of watery and burning eyes resolve with home care, certain symptoms indicate a need for professional medical evaluation. If symptoms persist for more than a few days despite at-home measures, or worsen, consult an eye care professional. Severe or worsening pain warrants immediate attention.

Any changes in vision, such as new blurriness, double vision, or increased light sensitivity (photophobia), require prompt assessment. Thick, colored discharge (green or yellow) can signal an infection requiring prescription treatment. For eye injury or chemical exposure, seek immediate medical attention.

A persistent sensation of something lodged in the eye, especially if it cannot be easily flushed out, may indicate a foreign body needing professional removal. If eye symptoms occur alongside fever, headache, or severe sinus pain, it could point to a systemic issue. Early diagnosis and treatment from an optometrist or ophthalmologist can prevent complications and protect eye health.