Dry Eye Syndrome
Symptoms and Types of Dry Eye
Dry eye causes a burning, stinging, or gritty sensation that makes your eyes feel uncomfortable throughout the day. You may notice that your eyes water more than usual, which seems contradictory but happens because irritation triggers a reflex that floods your eyes with low-quality tears. Other symptoms include redness, blurry vision that clears when you blink, and a feeling that something is stuck in your eye.
Symptoms tend to get worse in certain situations: staring at a screen, sitting in air-conditioned or heated rooms, spending time outdoors in wind, and wearing contact lenses. Many people notice that their eyes feel worst, when tear reserves run low.
Evaporative dry eye is the most common type. It occurs when the oil-producing glands along your eyelid margins (meibomian glands) do not release enough oil into your tear film. Without this oil layer, your tears evaporate too fast and leave the surface of your eye exposed.
Meibomian gland dysfunction (MGD) is the leading cause of evaporative dry eye. Your doctor can see blocked or shrunken glands during a slit lamp examination. Risk factors for MGD include aging, wearing eye makeup, chronic eyelid inflammation (blepharitis), and rosacea.
Aqueous-deficient dry eye happens when your lacrimal glands (tear glands) do not produce enough of the watery component of tears. This type is less common than evaporative dry eye but can be more difficult to manage.
Autoimmune conditions are the most notable cause. People with Sjogren syndrome, lupus, or rheumatoid arthritis may develop aqueous-deficient dry eye because their immune system attacks the tear glands. Your eye doctor can test for these underlying conditions if they suspect your dry eye has an autoimmune component.
What Causes Dry Eye
Screen use is one of the most common triggers for dry eye symptoms. Your blink rate drops when you focus on a computer, phone, or tablet, which means your tears spread across your eye less and evaporate faster. Dry indoor air from heating and air conditioning compounds the problem.
Contact lens wear also increases dry eye risk. Lenses sit on top of your tear film and can disrupt its stability. Long hours of wear, sleeping in lenses, and using lenses in dry environments all worsen symptoms.
According to the NEI, several systemic conditions increase your risk for dry eye, including Sjogren syndrome, lupus, rheumatoid arthritis, thyroid disorders, and diabetes. If you have any of these conditions, mention them to your eye doctor so they can monitor your tear function.
Common medications can also reduce tear production. Antihistamines, antidepressants, blood pressure medications, and decongestants are among the most frequent offenders. If you started a new medication around the time your eyes became dry, ask your prescribing doctor whether dry eye is a known side effect.
According to the AAO, dry eye disease affects about 20 percent of the U.S. population and becomes more common with each decade of life past age 40. Women are affected more than men, after menopause, when hormonal changes reduce tear production.
LASIK surgery can also trigger or worsen dry eye. The procedure cuts corneal nerves that signal your tear glands to produce tears. Most patients recover normal tear function within 6 to 12 months, but some experience lasting dry eye symptoms that require ongoing treatment.
Treatment Options for Dry Eye
Preservative-free artificial tears are the first-line treatment for mild dry eye. These drops supplement your natural tear film and provide temporary relief from burning, stinging, and grittiness. Your eye doctor may recommend using them four or more times per day for consistent symptom control.
Preservative-free formulations come in single-use vials and are safer for frequent use than bottled drops with preservatives. If you find that drops alone do not control your symptoms after a few weeks of consistent use, talk with your eye doctor about adding other treatments.
If artificial tears are not enough, your eye doctor can prescribe anti-inflammatory drops that target the root cause of dry eye. Cyclosporine and lifitegrast are the most established prescription options. Both work by reducing inflammation on the eye surface and improving tear production over time.
Newer prescription options have expanded the choices available. Varenicline nasal spray (FDA-approved in 2021) stimulates tear production through the nasal nerve pathway. Perfluorohexyloctane ophthalmic solution (FDA-approved in 2023) replaces the lipid layer of the tear film to reduce evaporation. Your doctor can determine which option fits your type of dry eye.
When blocked meibomian glands cause your dry eye, your doctor may recommend an in-office procedure to clear them. Warm compress therapy, eyelid expression, and thermal pulsation devices apply controlled heat and pressure to melt and release hardened oils from the glands.
Intense pulsed light (IPL) therapy received FDA clearance for dry eye caused by MGD. This treatment applies pulses of light to the skin around your eyes to reduce inflammation and improve gland function. Most patients need a series of sessions spaced a few weeks apart.
See your eye doctor if you have persistent dry eye symptoms that artificial tears do not relieve, or if dryness interferes with your daily activities, reading, or screen work. Dry eye is a chronic condition for most patients, and the AAO's 2023 Preferred Practice Pattern emphasizes that consistent treatment produces better outcomes than using drops only when symptoms flare.
Your eye doctor can determine whether your dry eye is evaporative, aqueous-deficient, or a combination, and build a treatment plan that addresses the underlying cause. Early treatment can prevent surface damage to your cornea that occurs when chronic dryness goes unmanaged.
Dry Eye Relief Questions
Mild dry eye caused by a temporary trigger (like a dry airplane cabin or a new medication) can resolve when you remove the trigger. Chronic dry eye disease does not go away on its own for most people. It requires ongoing management with drops, lifestyle changes, or prescription treatments to keep symptoms under control.
Warm compresses applied to closed eyelids for 5 to 10 minutes can soften blocked oils in your meibomian glands and improve tear quality. Using a humidifier in dry rooms, taking screen breaks every 20 minutes, and staying hydrated also help. Omega-3 fatty acid supplements may benefit some patients, though the evidence is mixed.
Many people with dry eye continue to wear contacts with some adjustments. Your eye doctor may switch you to a lens material that retains more moisture, recommend daily disposable lenses, or prescribe rewetting drops for use during the day. If contacts make your symptoms worse despite these changes, glasses may be more comfortable.
Anti-inflammatory prescription drops like cyclosporine and lifitegrast take 4 to 12 weeks to reach their full effect. You may notice some improvement within the first few weeks, but the drops need time to reduce the underlying inflammation. Do not stop using them early just because results are gradual.
Extended screen time is a major trigger for dry eye symptoms because it reduces your blink rate. If you already have dry eye disease, screens will make it worse. If your eyes are otherwise healthy, following the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds) and using artificial tears can prevent screen-related dryness from becoming chronic.
Untreated chronic dry eye can damage the surface of your cornea over time, causing corneal erosions, scarring, and reduced vision clarity. Most patients with managed dry eye do not experience permanent vision loss. Early treatment prevents the surface damage that leads to these complications.
Take Control of Your Dry Eye Symptoms
Dry eye is treatable at every severity level. Talk with your eye doctor about your symptoms to find the right combination of treatments for your type of dry eye.