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You’re reading on your phone or watching a video when your vision suddenly becomes blurry. Your eyes start filling with tears, and no matter how often you wipe them, the watering keeps coming back. What could be causing it, and how can you find relief?
Excessive tearing is a common eye concern. Although watery eyes can feel disruptive or alarming, they may be caused by anything from dry air and allergies to a blocked tear duct or eyelid problem. The eye doctors at Grene Vision Group can evaluate persistent tearing and help determine why it is happening. Below, we explain common causes, related symptoms, safe home remedies, and signs that it is time to schedule an eye exam.
There are several reasons your eyes may be experiencing epiphora (watery eyes). Some causes may be external, some may be related to health conditions, and some may be the result of habits and behaviors. Dr. Andrew Brown discusses what causes watery eyes, how doctors examine and diagnose watery eye problems, and available treatment options.
The eyes produce three general types of tears: basal tears, reflex tears, and emotional tears. Basal tears are released continuously to lubricate the eye and maintain a protective surface. Reflex tears are produced rapidly when the eye encounters an irritant, such as wind, smoke, dust, or an eyelash. Emotional tears occur in response to strong feelings.
When the eye becomes irritated or unusually dry, it may release a surge of reflex tears. This is why dry eye can sometimes make the eyes seem unusually watery. The tears produced during this response may not have the right balance of oil, water, and mucus to keep the surface comfortable, so the watering can continue even though the eye feels dry.
Wind, cold temperatures, smoke, and low humidity are common environmental triggers. These conditions can make tears evaporate faster and prompt the eyes to produce more. Extended screen use can also contribute because people tend to blink less while looking at digital devices.
Watery eyes may also occur when tears cannot drain through the tear ducts normally. A drainage problem may be related to a narrow or blocked tear duct, swelling, infection, chronic inflammation such as uveitis, glaucoma, previous eye or sinus surgery, or certain cancer treatments, including chemotherapy or radiation therapy. Cosmetics may also irritate the eye or contribute to styes, infection, or inflammation that leads to tearing.
Constant tearing may be the most noticeable symptom, but it is not always the only one. Depending on the underlying cause, watery eyes may occur along with:
Blurry vision
Discharge
Eyelid issues (such as skin being wiped away or the lower lid becoming loose from rubbing/wiping tears continually)
Discomfort/irritation
Light sensitivity
Watery eyes can affect people of any age, but they are particularly common in infants and older adults.
As people age, changes in eyelid position can prevent tears from spreading or draining normally. Entropion occurs when the eyelid turns inward, allowing the eyelashes or skin to rub against the eye. Ectropion occurs when the lower eyelid turns outward, which may prevent tears from reaching the drainage openings properly. Both conditions can lead to ongoing irritation and watering. When symptoms are significant, surgery may be used to restore the eyelid to a healthier position.
Infants may experience a blocked or underdeveloped tear duct, known as nasolacrimal duct obstruction or dacryostenosis. The condition is estimated to affect approximately 6% to 20% of newborns and may cause tearing, mucus, or discharge. Many cases improve naturally as the drainage system develops. Depending on the symptoms, a doctor may recommend gentle tear duct massage, eye drops, or topical antibiotics. Around 90% of cases resolve by a child’s first birthday.
Because excessive tearing has many possible causes, the right treatment is not the same for everyone. Your Grene Vision Group doctor may recommend watching mild symptoms for a short period, particularly when the tearing appears to be related to temporary irritation. Several home remedies may also help, depending on the cause.
It may seem unusual to use eye drops when your eyes are already watering, but dryness is a common trigger for reflex tearing. Artificial tears add lubrication to the eye’s surface, reduce friction, and may calm the irritation that causes the eyes to produce excess tears.
Over-the-counter options are widely available, but their ingredients and consistency can vary. If you need lubricating drops more than four times per day, consider asking your eye doctor about preservative-free, single-use products. Repeated exposure to certain preservatives can make sensitive eyes feel more irritated.
If standard artificial tears do not provide enough relief, your Grene Vision Group doctor may recommend prescription drops or additional dry eye treatment based on the condition of your tear film and eyelid glands.
Pollen, mold, pet dander, and dust mites can trigger itching, redness, and excessive tearing. When allergies are the cause, treating the allergic response directly is often more helpful than relying only on lubricating drops.
Antihistamine eye drops may reduce itching and watering, while oral antihistamines can help when eye symptoms occur with sneezing, congestion, or other allergy concerns. Keep in mind that certain oral antihistamines may worsen dryness in some people.
For a more severe flare-up, an eye doctor may prescribe a short course of anti-inflammatory or corticosteroid eye drops. These medications should only be used as directed because prolonged or inappropriate use can cause complications.
Outdoor winter air and indoor heating systems can significantly reduce humidity. When the surrounding air is dry, tears evaporate more quickly, leaving the eye surface exposed and triggering reflex watering.
Running a cool-mist humidifier may help maintain a more comfortable indoor environment. A relative humidity level between approximately 40% and 50% is generally a reasonable target. Some humidifiers include a built-in hygrometer that displays the humidity level.
Clean the unit regularly to prevent mold and bacteria from collecting inside it. Empty, rinse, and dry the reservoir every day, and replace the filter according to the manufacturer’s instructions.
The meibomian glands located along the eyelid margins produce oils that slow tear evaporation. When these glands become clogged, the tear film may break apart too quickly, resulting in dryness and reflex tearing.
A warm compress can soften thickened oils and encourage healthier gland flow. You can use a reusable eye mask designed for warm compress therapy or make one with a clean washcloth and warm, not hot, water. Rest the compress over closed eyelids for five to 10 minutes.
Warm compresses may also help with certain styes, chalazia, and blocked eyelid glands. Do not use one over skin that appears severely inflamed or infected unless an eye doctor advises you to do so. Wash your hands before and after handling the eyelids.
Schedule an eye exam when watery eyes continue, return frequently, or interfere with activities such as driving, reading, working, or wearing contact lenses. Persistent watering may be related to dry eye disease, allergies, eyelid inflammation, infection, or poor tear drainage.
Seek prompt medical care if tearing occurs with:
A sudden decrease or change in vision
Moderate or severe eye pain
The sensation that something is stuck in the eye
Significant redness or swelling
Thick or unusual discharge
Severe light sensitivity
A recent eye injury or chemical exposure
An eye doctor can determine whether the problem requires lubricating drops, allergy care, prescription medication, oral antibiotics, treatment for an eyelid condition, or further evaluation of the tear ducts.
An eyelash, piece of dust, or other small particle can irritate the cornea or conjunctiva and trigger immediate watering. In many cases, natural tears flush the object out. You can also take a few cautious steps to help remove a loose particle:
Wash your hands before touching the area around your eye.
Remove your contact lenses (if you wear them).
Blink several times to encourage your tears to wash away the particle.
Rinse the eye with clean, lukewarm water or sterile saline solution.
Avoid rubbing your eye, which could scratch the cornea or push the object farther under your eyelid.
Do not place tweezers, cotton swabs, fingernails, or other tools near the eye. Never attempt to remove an object that appears embedded in the eye.
Contact an eye doctor if rinsing does not remove the object or the foreign-body sensation continues. You should also seek care if you develop ongoing redness, pain, swelling, light sensitivity, or blurred vision. Urgent medical treatment is appropriate after chemical exposure, an injury involving metal or other high-speed debris, contact with a sharp object, severe pain, or any noticeable change in vision.
Whether tearing affects only one eye or both eyes may help narrow down the possible causes. However, the location of the watering alone is not enough to make a diagnosis.
Watering in one eye is more likely to be connected to a problem within that specific eye. Possible causes include an eyelash or foreign object, a corneal scratch, localized irritation or inflammation, or a blocked tear duct. Tearing caused by a temporary irritant may improve after gentle rinsing. Schedule an eye exam if one eye waters repeatedly, the symptom does not improve, or you also experience swelling, discharge, pain, or vision changes.
When both eyes are watering, the cause may affect the eyes more generally. Common possibilities include dry eye, seasonal or environmental allergies, smoke, wind, cold air, illness, or extended screen use. If both eyes continue to water despite avoiding irritants or using basic at-home care, an eye doctor can help determine whether dryness, allergies, infection, or another condition is responsible.
During an eye exam for excessive tearing, your Grene Vision Group doctor will evaluate more than the amount of
tears you are producing. The goal is to determine whether the problem involves excessive tear production, poor drainage, eye surface irritation, or another condition.
Your evaluation may include:
A Review of Your Symptoms: Your doctor may ask when the watering started, whether it affects one or both eyes, what makes it better or worse, and whether you also have itching, burning, discharge, pain, or blurred vision.
An Evaluation of the Eye’s Surface: The doctor will check for dryness, irritation, inflammation, scratches, or foreign objects that may be causing excess tearing.
A Tear Film Assessment: Because dry eye can trigger reflex tearing, your doctor may evaluate the quality and stability of your tears.
An Eyelid and Eyelash Examination: Eyelid position, blocked oil glands, or eyelashes growing toward the eye can interfere with comfort and tear drainage.
An Allergies or Infection Check: Redness, swelling, discharge, and other signs can help your doctor determine whether allergies, inflammation, or an infection may be contributing to your symptoms.
An Evaluation of Tear Drainage: If tears are not draining properly, your doctor may look for signs of a narrowed or blocked tear duct.
A Review of Contact Lenses, Medications, and Eye Care Products: Contact lens wear, certain medications, and some drops or cosmetics may contribute to irritation or dryness.
After identifying the likely cause, your doctor can recommend treatment aimed at the underlying problem. The plan might include artificial tears, allergy treatment, eyelid hygiene, warm compresses, changes to contact lens habits, prescription medication, or further testing when a drainage problem is suspected.

Watery eyes are often a protective response to dryness, allergies, smoke, wind, cold air, or a temporary irritant. Sometimes, however, excessive tearing is related to an infection, an eyelid disorder, inflammation, poor tear drainage, or another eye condition that needs professional attention.
Finding relief begins with identifying the cause. Lubricating drops may help when dryness is responsible, while allergy medication may be more appropriate for itching and seasonal symptoms. Eyelid care can support a healthier tear film, but a blocked tear duct or infection may require a different approach.
If your eyes continue to water despite home care, schedule an appointment with Grene Vision Group. Our eye doctors can evaluate your eye surface, tear film, eyelids, and tear drainage system to determine what may be causing the problem. From there, your doctor can recommend a treatment plan based on your symptoms, eye health, and individual needs. Find a Grene Vision Group location near you to take the next step toward clearer, more comfortable eyes.