Dry Eye Syndrome: Symptoms, Causes, and Relief Options
What Is Dry Eye Syndrome?
Dry eye syndrome occurs when your eyes cannot maintain a healthy tear film. This film is essential for keeping your eyes comfortable, protecting against infection, and maintaining clear vision. When this delicate balance is disrupted, you experience the uncomfortable symptoms of dry eye.
Your tears are not just simple saltwater. They consist of three distinct layers that work together to keep your eyes healthy and comfortable.
- Oily Outer Layer: Made by meibomian glands in your eyelids, this layer seals in moisture and prevents your tears from evaporating too quickly.
- Watery Middle Layer: This layer comes from lacrimal glands and makes up most of your tears. It cleans your eyes, delivers oxygen and nutrients, and keeps your vision clear.
- Mucus Inner Layer: This layer helps tears spread evenly across your eye and allows them to stick to the surface properly.
Dry eye typically falls into two main categories. Aqueous deficient dry eye happens when your lacrimal glands do not make enough of the watery part of your tears. Evaporative dry eye is more common and occurs when the oily layer fails to work properly, usually because the meibomian glands are blocked or not producing enough oil. Many people have a combination of both types.
Certain factors make you more likely to develop dry eye. Understanding these risk factors can help you take steps to protect your eye health.
- Age: Your risk increases after 50 as tear production naturally decreases with age.
- Gender: Women experience dry eye more often than men, especially during pregnancy, while using birth control pills, or after menopause.
- Medications: Antihistamines, decongestants, blood pressure drugs, and antidepressants can all reduce tear production.
- Health Conditions: Diabetes, rheumatoid arthritis, thyroid disorders, and Sjogren syndrome are strongly linked to dry eye.
- Environment: Living in dry climates, exposure to wind or smoke, and spending long hours in air conditioning can worsen symptoms.
- Screen Time: Staring at digital devices reduces how often you blink, which allows tears to evaporate faster.
Recognizing Dry Eye Symptoms
Dry eye symptoms vary from person to person and can range from minor irritation to serious discomfort that affects your daily life. Knowing what to watch for helps you get treatment before the condition worsens.
Most people with dry eye describe a persistent dry or gritty sensation, as if sand or dirt is stuck in their eye. You may also feel a burning or stinging sensation that gets worse as the day goes on or after focusing on tasks like reading or using a computer.
Dry eye can cause your vision to blur or change throughout the day, especially during activities that require sustained focus. Many people also become very sensitive to bright lights, whether from the sun, indoor lighting, or oncoming headlights at night. This light sensitivity can make it hard to drive or work in brightly lit spaces.
While it may seem strange, dry eyes often produce too many tears. This happens because dryness irritates the surface of your eye, which triggers your tear glands to release a flood of watery tears. Unfortunately, these reflex tears lack the oils needed to coat your eye properly, so they roll off without providing lasting relief.
Your eyes may feel tired or heavy, particularly at the end of the day or after concentrating on work or reading. This fatigue often makes you want to close your eyes frequently or take breaks from what you are doing.
If you wear contact lenses, dry eye can make them uncomfortable or even intolerable. Your lenses may feel like they are stuck to your eyes, and you may find it harder to wear them for your usual amount of time. Studies show that about one in three contact lens wearers stop using them because of dry eye discomfort.
Measuring Your Symptoms with the OSDI
Our ophthalmologists at ReFocus Eye Health Marlton often use a tool called the Ocular Surface Disease Index, or OSDI, to understand how dry eye is affecting your life. This questionnaire helps determine the severity of your condition and guides your treatment plan.
The OSDI asks you about how often you experience symptoms, whether dry eye limits activities like reading or driving at night, and if certain environments such as windy days or air conditioned rooms make your symptoms worse. Your answers are used to calculate a score between 0 and 100.
Your OSDI score helps classify the severity of your dry eye and shows how much it impacts your quality of life.
- 0 to 12 (Normal): You may have occasional mild irritation, but it does not interfere with daily activities.
- 13 to 22 (Mild): Symptoms occur during specific tasks such as prolonged computer use, but overall remain manageable.
- 23 to 32 (Moderate): Discomfort becomes more regular and begins to limit activities like reading or focusing at work.
- 33 to 100 (Severe): Symptoms are persistent and significantly affect your ability to work, drive, and enjoy daily life.
Treatment Options for Dry Eye
ReFocus Eye Health Marlton offers a full range of treatment options for dry eye, from basic lifestyle changes to advanced in office procedures using the latest technology. The best approach depends on what is causing your symptoms and how severe they are.
Small adjustments to your routine can provide meaningful relief. Follow the 20-20-20 rule when using screens by looking at something 20 feet away for 20 seconds every 20 minutes. Drink plenty of water throughout the day, add a humidifier to your home or office, and wear wraparound sunglasses outdoors to shield your eyes from wind and dry air.
Over the counter artificial tears are often the first line of defense against dry eye. If you use drops more than four times per day, choose preservative free versions to avoid irritation. For overnight relief, thicker gel drops or ointments provide longer lasting protection while you sleep.
When over the counter products are not enough, our ophthalmologists may prescribe medicated eye drops. Anti inflammatory medications like cyclosporine or lifitegrast help reduce swelling and improve tear quality over time. Another option is a nasal spray called varenicline that stimulates your body to produce more natural tears.
For patients with moderate to severe dry eye, we offer several advanced procedures at our Marlton location. Punctal plugs are tiny devices that fit into your tear ducts to help tears stay on the surface of your eye longer. Intense pulsed light therapy uses controlled light energy to treat inflamed meibomian glands and improve oil flow. Thermal pulsation devices gently heat and massage your eyelids to unblock oil glands and restore the protective oily layer of your tear film.
Frequently Asked Questions
Patients often have questions about dry eye and how it will affect their vision and daily life. Here are answers to some of the most common concerns.
Dry eye usually does not cause permanent vision loss. However, if severe dry eye goes untreated for a long time, it can damage the surface of your cornea. This may lead to scarring or infections that could affect your vision. Early treatment is important to prevent these complications.
Both conditions can cause red, watery eyes, but they feel different. Allergies usually cause intense itching, while dry eye typically feels more like burning, stinging, or a gritty sensation. If you are unsure, our ophthalmologists can examine your eyes and determine the cause of your symptoms.
Yes, certain foods may improve your symptoms. Omega 3 fatty acids found in salmon, sardines, flaxseeds, and walnuts can help improve the quality of the oily layer in your tears and reduce inflammation. Some patients notice improvement within a few weeks of adding more of these foods to their diet.
For most people, dry eye is a chronic condition that requires ongoing care rather than a one time cure. The good news is that with the right combination of lifestyle changes, drops, and treatments, most patients can achieve significant and long lasting relief from their symptoms.
Preservatives are added to many eye drops to prevent bacteria growth. However, if you use these drops frequently, the preservatives can irritate your eyes and even damage the cells on the surface. Preservative free drops are a safer and more comfortable option when you need to use artificial tears more than four times a day.
When to Schedule an Appointment
If your symptoms last longer than a few weeks, do not respond to over the counter drops, or start to interfere with your work or daily activities, it is time to see an eye care professional. Our multispecialty team at ReFocus Eye Health Marlton uses advanced diagnostic technology to identify the specific cause of your dry eye and create a personalized treatment plan. Early evaluation is the key to finding relief and protecting your long term eye health in Marlton and throughout the Greater Philadelphia Metropolitan Area.
Today was a great experience at ReFocus. Met with Dr. Heuer. She gave me an excellent eye examination. Very thorough!
Vincent Pestritto
Dr Andrew was excellent. He explained in detail my problem and gave suggestions. Staff was great . Highly recommend this practice.
Jill Kumpf
I highly recommend ReFocus, friendly & well qualified staff, a comfortable & clean office. I’ve been seeing my outstanding eye physician Debra Malley there for many years now.
Michael Rufo
Caring, competent and compassionate staff and physicians make this an incredible place for eye care!
Judy Loane
Dr.Glass is the best superb doctor I've seen in years. The entire staff was very friendly and helpful and all around excellent customer service from the entire office. I give the doctor and staff 5 Stars
Bengamite Israel
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