Dry eyes occur when your tears aren't able to provide adequate moisture for your eyes. Tears can be inadequate for many reasons. For example, dry eyes may occur if you don't produce enough tears or if you produce poor-quality tears.
Dry eyes feel uncomfortable. If you have dry eyes, your eyes may sting or burn. You may experience dry eyes in certain situations, such as on an airplane, in an air-conditioned room, while riding a bike, or after looking at a computer screen for a few hours.
Treatments for dry eyes may make you more comfortable. These treatments can include lifestyle changes and eyedrops. For more-serious cases of dry eyes, surgery may be an option.
SYMPTOMS
Signs and symptoms, which usually affect both eyes, may include:
A stinging, burning or scratchy sensation in your eyes Stringy mucus in or around your eyes Increased eye irritation from smoke or wind Eye fatigue Sensitivity to light Eye redness A sensation of having something in your eyes Difficulty wearing contact lenses Periods of excessive tearing Blurred vision, often worsening at the end of the day or after focusing for a prolonged period
CAUSES
Dry eyes are caused by a lack of adequate tears. Your tears are a complex mixture of water, fatty oils, and mucus. This mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection.
For some people, the cause of dry eyes is an imbalance in the composition of their tears. Other people don't produce enough tears to keep their eyes comfortably lubricated. Eyelid problems, medications and other causes, such as environmental factors, also can lead to dry eyes.
Poor tear quality
The tear film has three basic layers: oil, water and mucus. Problems with any of these layers can cause dry eyes symptoms.
Oil. The outer layer of the tear film, produced by small glands on the edge of your eyelids (meibomian glands), contains fatty oils called lipids. These smooth the tear surface and slow evaporation of the middle watery layer. If your oil glands don't produce enough oil, the watery layer evaporates too quickly, causing dry eyes. Dry eyes are common in people whose meibomian glands are clogged. Meibomian dysfunction is more common in people with inflammation along the edge of their eyelids (blepharitis), rosacea and other skin disorders. Water. The middle layer is mostly water with a little bit of salt. This layer, produced by the tear glands (lacrimal glands), cleanses your eyes and washes away foreign particles or irritants. If your eye produces inadequate amounts of water, the oil and mucous layers can touch and cause a stringy discharge. Mucus. The inner layer of mucus helps spread tears evenly over the surface of your eyes. If you don't have enough mucus to cover your eyes, dry spots can form on the front surface of the eye (cornea).
Decreased tear production
Dry eyes can occur when you're unable to produce enough tears. The medical term for this condition is keratoconjunctivitis sicca (ker-uh-toe-kun-junk-tih-VIE-tis SIK-uh).
You may not produce enough tears if you:
Are older than 50. Tear production tends to diminish as you get older. Dry eyes are common in people older than 50. Are a postmenopausal woman. A lack of tears is more common among women, especially after menopause. This may be due in part to hormonal changes. Have a medical condition that reduces your tear production. Dry eyes are also associated with some medical conditions such as diabetes, rheumatoid arthritis, lupus, scleroderma, Sjogren's syndrome, thyroid disorders and vitamin A deficiency. Have had laser eye surgery. Refractive eye surgeries such as laser-assisted in-situ keratomileusis (LASIK) may cause decreased tear production and dry eyes. Symptoms of dry eyes related to these procedures are usually temporary. Have tear gland damage. Damage to the tear glands from inflammation or radiation can hamper tear production.
Eyelid problems
Blinking spreads a continuous thin film of tears across the surface of your eyes. If you have an eyelid problem that makes it difficult to blink, tears may not be spread across your eye adequately or your tears may evaporate too quickly, causing dry eyes. Eyelid problems can include an out-turning of the lids (ectropion) or an in-turning of the lids (entropion).
Medications that cause dry eyes
Medications that can cause dry eyes include:
Some drugs used to treat high blood pressure Antihistamines and decongestants Hormone replacement therapy Certain antidepressants Isotretinoin-type drugs for treatment of acne
Additional causes
Other causes of dry eyes include:
Wind Dry air Tasks that require enough concentration that you blink less often, such as working at a computer, driving or reading
COMPLICATIONS
Generally, dry eyes don't cause serious problems. However, possible complications include:
More-frequent eye infections. Your tears protect the surface of your eyes from infection. Without adequate tears, you may have an increased risk of eye infection. Scarring on the surface of your eyes. If left untreated, severe dry eyes may lead to eye inflammation, scarring on the surface of your corneas and vision problems. Decreased quality of life. Dry eyes can make it difficult to perform everyday activities.
DIAGNOSIS
Tests and procedures used to determine the cause of your dry eyes may include:
A comprehensive eye exam. An eye exam that includes a complete history of your overall health and your eye health can help your doctor diagnose the cause of your dry eyes. Measuring the volume of your tears. Your doctor may measure your tear production using the Schirmer test. In this test, blotting strips of paper are placed under your lower eyelids. After five minutes your doctor measures the amount of strip soaked by your tears. Determining the quality of your tears. Other tests use special dyes in eyedrops to determine the surface condition of your eyes. Your doctor looks for staining patterns on the corneas and measures how long it takes before your tears evaporate.
TREATMENT
For most people with occasional or mild dry eyes symptoms, treatment involves over-the-counter eyedrops, such as artificial tears, and other home remedies. It's best to avoid eyedrops that reduce redness, however. If your dry eyes symptoms are persistent and more serious, your treatment options will depend on what's causing your dry eyes. Some conditions that cause dry eyes can be reversed or managed. Other treatments can improve your tear quality or stop your tears from quickly draining away from your eyes.
Treating the underlying cause of dry eyes
In some cases, treating an underlying health issue can help reverse dry eyes. For instance, if a medication is causing your dry eyes, your doctor may recommend a different medication that doesn't cause that side effect.
If you have an eyelid condition, such as an anatomic abnormality or a condition that makes it difficult to close your eye completely when you blink, your doctor may refer you to an eye surgeon who specializes in plastic surgery of the eyelids (oculoplastic surgeon).
If your signs and symptoms suggest an autoimmune condition, such as rheumatoid arthritis or Sjogren's syndrome, your doctor may refer you to a rheumatologist for evaluation.
Medications
Prescriptions used to treat dry eyes include:
Antibiotics to reduce eyelid inflammation. If inflammation along the edge of your eyelids keeps the oil glands from secreting oil into your tears, your doctor may recommend antibiotics to reduce inflammation. Antibiotics can be administered as eyedrops or ointment, or they can be taken in pill form. Prescription eyedrops to control cornea inflammation. Inflammation on the surface of your eyes may be controlled with prescription eyedrops that contain the immune-suppressing medication cyclosporine (Restasis) or that contain corticosteroids to control inflammation. Prescription eye inserts that work like artificial tears. For people with moderate to severe dry eyes symptoms who can't use artificial tears, one option may be a tiny eye insert that looks like a clear grain of rice. Once a day, you place the hydroxypropyl cellulose (Lacrisert) insert between your lower eyelid and your eyeball. The insert dissolves slowly, releasing a substance that's used in eyedrops to lubricate your eye.
Treatments
Treatments that may be used include:
Closing your tear ducts to reduce tear loss. Your doctor may suggest treatment to keep your tears from leaving your eye too quickly. This can be done by partially or completely closing your tear ducts, which normally serve to drain tears away. Tear ducts can be plugged with tiny silicone plugs (punctal plugs) that conserve both your own tears and artificial tears you may add. Silicone plugs can be removed or left in. Or, tear ducts can be plugged with a procedure that uses heat. In a more permanent procedure called thermal cautery, your doctor numbs the area with an anesthetic and then applies a hot wire that shrinks the tissues of the drainage area and causes scarring, which closes the tear duct. Covering your eyes with a special contact lens. People with severe dry eyes may opt for special contact lenses. These contact lenses help protect or shield the surface of your eyes, trapping moisture close to your eyes in order to relieve your dry eyes symptoms. Ask your eye doctor whether these special lenses, called bandage lenses or corneal shields, are an option for you. Unblocking blocked oil glands. A new treatment called LipiFlo thermal pulsation helps clear blocked oil glands. During the treatment, a device that looks like an eyecup is placed over your eye. The device then delivers a gentle, warm massage to the lower eyelid. The procedure takes less than 15 minutes, and you can go home right afterward. Results usually begin within a few days. Because this is a new treatment, it may not yet be available everywhere.
Dry eyes feel uncomfortable. If you have dry eyes, your eyes may sting or burn. You may experience dry eyes in certain situations, such as on an airplane, in an air-conditioned room, while riding a bike, or after looking at a computer screen for a few hours.
![]() |
Dry eyes |
Treatments for dry eyes may make you more comfortable. These treatments can include lifestyle changes and eyedrops. For more-serious cases of dry eyes, surgery may be an option.
SYMPTOMS
Signs and symptoms, which usually affect both eyes, may include:
A stinging, burning or scratchy sensation in your eyes Stringy mucus in or around your eyes Increased eye irritation from smoke or wind Eye fatigue Sensitivity to light Eye redness A sensation of having something in your eyes Difficulty wearing contact lenses Periods of excessive tearing Blurred vision, often worsening at the end of the day or after focusing for a prolonged period
CAUSES
Dry eyes are caused by a lack of adequate tears. Your tears are a complex mixture of water, fatty oils, and mucus. This mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection.
For some people, the cause of dry eyes is an imbalance in the composition of their tears. Other people don't produce enough tears to keep their eyes comfortably lubricated. Eyelid problems, medications and other causes, such as environmental factors, also can lead to dry eyes.
Poor tear quality
The tear film has three basic layers: oil, water and mucus. Problems with any of these layers can cause dry eyes symptoms.
Oil. The outer layer of the tear film, produced by small glands on the edge of your eyelids (meibomian glands), contains fatty oils called lipids. These smooth the tear surface and slow evaporation of the middle watery layer. If your oil glands don't produce enough oil, the watery layer evaporates too quickly, causing dry eyes. Dry eyes are common in people whose meibomian glands are clogged. Meibomian dysfunction is more common in people with inflammation along the edge of their eyelids (blepharitis), rosacea and other skin disorders. Water. The middle layer is mostly water with a little bit of salt. This layer, produced by the tear glands (lacrimal glands), cleanses your eyes and washes away foreign particles or irritants. If your eye produces inadequate amounts of water, the oil and mucous layers can touch and cause a stringy discharge. Mucus. The inner layer of mucus helps spread tears evenly over the surface of your eyes. If you don't have enough mucus to cover your eyes, dry spots can form on the front surface of the eye (cornea).
Decreased tear production
Dry eyes can occur when you're unable to produce enough tears. The medical term for this condition is keratoconjunctivitis sicca (ker-uh-toe-kun-junk-tih-VIE-tis SIK-uh).
You may not produce enough tears if you:
Are older than 50. Tear production tends to diminish as you get older. Dry eyes are common in people older than 50. Are a postmenopausal woman. A lack of tears is more common among women, especially after menopause. This may be due in part to hormonal changes. Have a medical condition that reduces your tear production. Dry eyes are also associated with some medical conditions such as diabetes, rheumatoid arthritis, lupus, scleroderma, Sjogren's syndrome, thyroid disorders and vitamin A deficiency. Have had laser eye surgery. Refractive eye surgeries such as laser-assisted in-situ keratomileusis (LASIK) may cause decreased tear production and dry eyes. Symptoms of dry eyes related to these procedures are usually temporary. Have tear gland damage. Damage to the tear glands from inflammation or radiation can hamper tear production.
Eyelid problems
Blinking spreads a continuous thin film of tears across the surface of your eyes. If you have an eyelid problem that makes it difficult to blink, tears may not be spread across your eye adequately or your tears may evaporate too quickly, causing dry eyes. Eyelid problems can include an out-turning of the lids (ectropion) or an in-turning of the lids (entropion).
Medications that cause dry eyes
Medications that can cause dry eyes include:
Some drugs used to treat high blood pressure Antihistamines and decongestants Hormone replacement therapy Certain antidepressants Isotretinoin-type drugs for treatment of acne
Additional causes
Other causes of dry eyes include:
Wind Dry air Tasks that require enough concentration that you blink less often, such as working at a computer, driving or reading
COMPLICATIONS
Generally, dry eyes don't cause serious problems. However, possible complications include:
More-frequent eye infections. Your tears protect the surface of your eyes from infection. Without adequate tears, you may have an increased risk of eye infection. Scarring on the surface of your eyes. If left untreated, severe dry eyes may lead to eye inflammation, scarring on the surface of your corneas and vision problems. Decreased quality of life. Dry eyes can make it difficult to perform everyday activities.
DIAGNOSIS
Tests and procedures used to determine the cause of your dry eyes may include:
A comprehensive eye exam. An eye exam that includes a complete history of your overall health and your eye health can help your doctor diagnose the cause of your dry eyes. Measuring the volume of your tears. Your doctor may measure your tear production using the Schirmer test. In this test, blotting strips of paper are placed under your lower eyelids. After five minutes your doctor measures the amount of strip soaked by your tears. Determining the quality of your tears. Other tests use special dyes in eyedrops to determine the surface condition of your eyes. Your doctor looks for staining patterns on the corneas and measures how long it takes before your tears evaporate.
![]() |
Dry eyes test |
TREATMENT
For most people with occasional or mild dry eyes symptoms, treatment involves over-the-counter eyedrops, such as artificial tears, and other home remedies. It's best to avoid eyedrops that reduce redness, however. If your dry eyes symptoms are persistent and more serious, your treatment options will depend on what's causing your dry eyes. Some conditions that cause dry eyes can be reversed or managed. Other treatments can improve your tear quality or stop your tears from quickly draining away from your eyes.
![]() |
eye drops |
Treating the underlying cause of dry eyes
In some cases, treating an underlying health issue can help reverse dry eyes. For instance, if a medication is causing your dry eyes, your doctor may recommend a different medication that doesn't cause that side effect.
If you have an eyelid condition, such as an anatomic abnormality or a condition that makes it difficult to close your eye completely when you blink, your doctor may refer you to an eye surgeon who specializes in plastic surgery of the eyelids (oculoplastic surgeon).
If your signs and symptoms suggest an autoimmune condition, such as rheumatoid arthritis or Sjogren's syndrome, your doctor may refer you to a rheumatologist for evaluation.
Medications
Prescriptions used to treat dry eyes include:
Antibiotics to reduce eyelid inflammation. If inflammation along the edge of your eyelids keeps the oil glands from secreting oil into your tears, your doctor may recommend antibiotics to reduce inflammation. Antibiotics can be administered as eyedrops or ointment, or they can be taken in pill form. Prescription eyedrops to control cornea inflammation. Inflammation on the surface of your eyes may be controlled with prescription eyedrops that contain the immune-suppressing medication cyclosporine (Restasis) or that contain corticosteroids to control inflammation. Prescription eye inserts that work like artificial tears. For people with moderate to severe dry eyes symptoms who can't use artificial tears, one option may be a tiny eye insert that looks like a clear grain of rice. Once a day, you place the hydroxypropyl cellulose (Lacrisert) insert between your lower eyelid and your eyeball. The insert dissolves slowly, releasing a substance that's used in eyedrops to lubricate your eye.
Treatments
Treatments that may be used include:
Closing your tear ducts to reduce tear loss. Your doctor may suggest treatment to keep your tears from leaving your eye too quickly. This can be done by partially or completely closing your tear ducts, which normally serve to drain tears away. Tear ducts can be plugged with tiny silicone plugs (punctal plugs) that conserve both your own tears and artificial tears you may add. Silicone plugs can be removed or left in. Or, tear ducts can be plugged with a procedure that uses heat. In a more permanent procedure called thermal cautery, your doctor numbs the area with an anesthetic and then applies a hot wire that shrinks the tissues of the drainage area and causes scarring, which closes the tear duct. Covering your eyes with a special contact lens. People with severe dry eyes may opt for special contact lenses. These contact lenses help protect or shield the surface of your eyes, trapping moisture close to your eyes in order to relieve your dry eyes symptoms. Ask your eye doctor whether these special lenses, called bandage lenses or corneal shields, are an option for you. Unblocking blocked oil glands. A new treatment called LipiFlo thermal pulsation helps clear blocked oil glands. During the treatment, a device that looks like an eyecup is placed over your eye. The device then delivers a gentle, warm massage to the lower eyelid. The procedure takes less than 15 minutes, and you can go home right afterward. Results usually begin within a few days. Because this is a new treatment, it may not yet be available everywhere.
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