What Is Dry Eye?
Dry eye happens when the eyes do not produce enough tears, or when tears evaporate too quickly, leaving the eye surface unprotected. Tears are not just water. They are a complex mixture essential for clear vision, comfort, and protecting the eyes from irritation and infection.
A thin coating of tears, called the tear film, covers the surface of the eye at all times. This film keeps the eye surface smooth, clears away dust and debris, and helps maintain sharp vision. When the tear film becomes unstable or insufficient, the eye surface is left exposed and irritated.
Tears are made up of three distinct layers that work together to protect the eye. The oily outer layer slows evaporation. The watery middle layer keeps the eye moist and flushes away particles. The mucus inner layer helps tears spread evenly across the surface and stick where they are needed most.
Small glands located along the edges of the eyelids, called meibomian glands, produce the oils that make up the outer layer of the tear film. When these glands become blocked or do not function properly, tears evaporate faster than they should, leading to dryness and discomfort even if tear production itself is normal.
Why Children Get Dry Eye
While dry eye is less common in children than in adults, it can develop for several reasons. Lifestyle habits, the environment a child lives in, and underlying health conditions can all play a role. Recognizing the contributing factors makes it easier to address the root cause.
When children spend long stretches looking at tablets, phones, or computers, they naturally blink less often. Blinking is what spreads fresh tears across the eye surface, so reduced blinking allows the tear film to dry out more quickly. This leads to tired, uncomfortable eyes that may feel scratchy or strained by the end of the day.
Environmental allergens such as pollen, dust, and pet dander can trigger redness, itching, and dryness. When children rub their eyes in response to the itch, this further disrupts the tear film and can make symptoms noticeably worse over time.
Certain chronic health conditions, including juvenile arthritis, thyroid disease, and diabetes, can affect how well the eyes produce or maintain tears. Some medications, such as antihistamines taken for allergies or certain asthma treatments, may also reduce tear secretion as a side effect.
Dry or windy weather, exposure to cigarette smoke, air conditioning, and indoor heating can all increase tear evaporation. Children who live in dry climates or spend time in rooms with forced-air heating systems may notice more symptoms during colder months.
Older children and teenagers who wear contact lenses may be at higher risk for dry eye. Contact lenses can interfere with how tears distribute across the eye surface and may cause discomfort when worn for too long or when lens hygiene is not carefully maintained.
The body relies on proper hydration and good nutrition to produce healthy tears. A diet low in omega-3 fatty acids or essential vitamins, combined with not drinking enough water, can affect tear quality and leave eyes more vulnerable to dryness.
Signs Your Child Might Have Dry Eye
Children do not always have the words to describe what they are feeling in their eyes. Knowing what to look and listen for can help you recognize dry eye early and get help before symptoms interfere with daily life.
Children may describe a burning, stinging, or gritty sensation, often saying it feels like sand or soap is in their eye. This discomfort is one of the most common complaints and frequently leads children to rub their eyes repeatedly.
Dry eyes often appear red or bloodshot because the small blood vessels on the surface of the eye widen in response to irritation. A child may also say their eyes feel heavy or tired even after sleeping a full night.
It may seem surprising, but excessively watery eyes can actually be a sign of dryness. When the eye surface becomes irritated, the eye produces a surge of reflex tears in an attempt to compensate. These reflex tears are watery rather than nourishing and do not restore proper lubrication.
A child with dry eyes may squint frequently in bright environments, seem bothered by sunlight, or want to avoid being outside on clear days. This light sensitivity, known as photophobia, often goes along with other dry eye symptoms.
Dryness can disturb the smooth surface of the eye, causing vision to temporarily blur. Children may notice this most after reading, doing schoolwork, or looking at a screen for an extended time. Blinking often brings temporary relief, which is a helpful clue that dryness may be the cause.
How We Diagnose Dry Eye in Children
A thorough eye exam is the best way to confirm whether a child has dry eye and to identify what is causing it. The process is simple, painless, and involves both a conversation and a few straightforward tests.
Our specialists will ask about your child's symptoms, how long they have been present, and how they affect daily activities. Information about screen time, allergy history, current medications, and home environment all help create a complete picture of what may be contributing to the problem.
Using an instrument called a slit lamp, which is essentially a powerful magnifying tool with a light source, our providers can look closely at the eyelids, tear film, and cornea. This examination reveals signs of inflammation, gland blockages, or any surface damage related to chronic dryness.
Several simple tests help measure how well the eyes are producing and holding onto tears. These are quick and designed to be comfortable for children of all ages.
- Schirmer Test: A small paper strip placed briefly at the edge of the eyelid measures how many tears the eye produces over a set period of time.
- Tear Breakup Time: A gentle dye is used to observe how quickly the tear film breaks apart after a blink, which indicates how stable the tear film is.
- Surface Staining: Harmless dye drops are used to highlight dry spots or any minor damage to the eye surface that can result from ongoing dryness.
Treatment Options for Children
Treatment for dry eye in kids focuses on restoring moisture, reducing discomfort, and supporting healthy vision using methods that are safe and appropriate for young eyes. The right approach depends on the severity of symptoms and the underlying cause.
Over-the-counter lubricating eye drops, commonly called artificial tears, are usually the first step in managing mild to moderate dry eye. Preservative-free formulas are generally preferred for children who need to use drops frequently, as preservatives can cause additional irritation with repeated use.
When symptoms persist despite artificial tears, a specialist may prescribe drops or gels that work to reduce inflammation or help the eyes produce more of their own natural tears. These treatments are used under medical supervision to confirm they are appropriate and safe for the child's age and specific condition.
Applying a warm, damp cloth to closed eyelids for several minutes can soften and loosen any blockages in the meibomian glands, allowing the natural oils to flow more freely. Gently cleaning the eyelid margins with mild baby shampoo or specially formulated lid wipes can also remove debris and improve overall tear quality.
Simple adjustments at home can significantly reduce dry eye symptoms. Encouraging screen breaks, using a humidifier to add moisture to dry indoor air, and reminding children to blink fully and regularly all help maintain a healthier tear film throughout the day.
When allergies are contributing to dry eye, addressing them directly can provide meaningful relief. Minimizing exposure to known allergens, using appropriate allergy medications as directed, and avoiding rubbing the eyes can all reduce inflammation and improve comfort.
Preventing Dry Eye and Keeping Eyes Healthy
Many of the factors that lead to dry eye in children can be managed or prevented with consistent daily habits. These practical steps help young eyes stay comfortable and well-protected over time.
The 20-20-20 rule is a simple and effective guideline: every 20 minutes, look at something about 20 feet away for at least 20 seconds. This habit reduces eye strain and gives the eyes a chance to blink fully and refresh the tear film during long periods of screen use.
Children often focus so intensely on screens or books that they forget to blink completely. Teaching children to blink slowly and fully, especially during close-up tasks, helps spread tears evenly across the eye surface and keeps eyes feeling comfortable.
Regular handwashing and avoiding eye rubbing are two of the simplest protective habits. Clean hands reduce the chance of introducing irritants or germs to the eye, and avoiding rubbing prevents disruption of the tear film and reduces the risk of surface damage.
Running a humidifier during dry seasons, or in any home where heating or cooling systems circulate dry air, can make a noticeable difference. Keeping indoor humidity in a comfortable range helps slow tear evaporation and reduces the feeling of dryness throughout the day.
Wraparound sunglasses provide a physical barrier against wind, sun, and airborne allergens. Encouraging children to wear them during outdoor activities, especially on bright or windy days, can reduce irritation and help maintain a stable tear film.
A diet that includes omega-3 fatty acids, found in fish, walnuts, and flaxseeds, supports healthy tear production. Fresh fruits and vegetables supply vitamins A, C, and E, which also contribute to maintaining the health of the eye surface and tear glands.
Frequently Asked Questions
Parents often have questions about what dry eye means for their child's health and daily life. These answers are meant to help guide your next steps and clarify when it is important to seek professional care.
If your child has been complaining about eye discomfort, redness, or blurry vision for more than a few days, it is worth scheduling an eye exam. Symptoms that interfere with reading, schoolwork, or daily activities should not be left unaddressed. Early evaluation makes it easier to identify the cause and start effective treatment before the condition progresses.
Yes, it can. When eyes are uncomfortable or vision is intermittently blurry, concentrating on reading and writing becomes much harder. Children with untreated dry eye may seem distracted, avoid close work, or complain of headaches after school. Treating the dryness often leads to noticeable improvements in focus and comfort during learning tasks.
Most lubricating eye drops are safe for children when used as directed, and preservative-free formulas are preferred for regular use to minimize the chance of additional irritation. That said, it is always a good idea to confirm the right product and dosing with a specialist before starting any eye drop routine for a young child, especially for children under school age.
Permanent vision damage from dry eye is uncommon in children, particularly when the condition is identified and managed early. However, chronic untreated dryness can lead to surface irritation, a higher risk of eye infections, and minor scratches on the cornea over time. With appropriate care, most children maintain healthy, clear vision without lasting effects.
Chlorine and other chemicals used in pools can strip the natural oils from the tear film and leave eyes feeling irritated after swimming. Wearing protective swim goggles is the best way to shield the eyes, and rinsing with clean water immediately after swimming helps remove any residual chemicals. Children who swim frequently and also have dry eye symptoms should mention this to their specialist.
In some cases, yes. Dry eye can be associated with underlying health conditions such as thyroid disease, certain autoimmune conditions, or vitamin deficiencies. A thorough evaluation helps rule out these possibilities and ensures that any contributing health issue is identified and properly addressed alongside the dry eye treatment.
Caring for Your Child's Eyes at Washington Eye Institute
Our team at Washington Eye Institute brings together specialized expertise and genuine care to help children and families across the DC metro area find lasting relief from dry eye. We take the time to understand each child's unique situation and create a treatment plan that fits their needs and lifestyle. If your child has been experiencing eye discomfort, we encourage you to schedule a visit so we can help them see and feel their best.