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What Causes Dry Eye Syndrome?

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If you’ve ever experienced the discomfort of dry, gritty, or itchy eyes, you’re not alone. Dry eye syndrome (DES) affects millions of people worldwide, and while it might seem like just a nuisance, untreated dry eyes can lead to more serious complications. 

Understanding what causes dry eye syndrome is the first step toward finding the right treatment to relieve your symptoms. If you’re dealing with dry eyes, it’s important to schedule an appointment with Dr. Harris or Dr. Williams at Lake Norman Eye Care, who can help identify the root cause and recommend the best course of treatment tailored to you.

What Is Dry Eye Syndrome?

Dry eye syndrome occurs when your eyes do not produce enough tears or when the tears evaporate too quickly. Tears are essential for keeping the surface of your eyes lubricated, providing nutrients, and washing away debris. Without adequate lubrication, the eyes can become irritated, leading to symptoms like:

  • A dry, scratchy, or gritty sensation
  • Redness or inflammation
  • Sensitivity to light
  • Difficulty wearing contact lenses
  • Blurry vision that clears with blinking

While dry eyes may seem like a minor inconvenience, they can affect your quality of life and, if left untreated, could cause long-term damage to your eyes.

Common Causes of Dry Eye Syndrome

Age-Related Changes

As we age, tear production naturally decreases, making older adults more susceptible to dry eyes. It’s common for those over 50 to experience some form of dry eye, particularly in women who may also be affected by hormonal changes during menopause.

Environmental Factors

Exposure to wind, smoke, air conditioning, and dry climates can cause tears to evaporate faster than they can be replaced. Spending long hours in front of digital screens (also known as “computer vision syndrome”) can contribute to dry eyes, as people tend to blink less while using devices.

Medications

Certain medications, including antihistamines, decongestants, antidepressants, and blood pressure medications, can interfere with tear production and lead to dry eye symptoms.

Medical Conditions

Dry eye can be a symptom of underlying health conditions such as diabetes, rheumatoid arthritis, lupus, or thyroid disorders. Autoimmune diseases like Sjögren’s syndrome can also specifically target tear glands, causing severe dry eyes.

Hormonal Imbalances

Hormonal changes, particularly during pregnancy or menopause, can affect the tear-producing glands. Birth control pills or hormone replacement therapy (HRT) can also contribute to dry eye.

Contact Lens Wear

Wearing contact lenses for long periods or not properly caring for them can disrupt tear film and contribute to dryness, discomfort, and irritation.

Blepharitis or Meibomian Gland Dysfunction

Conditions like blepharitis, which causes inflammation of the eyelid, or meibomian gland dysfunction (MGD), which affects the oil-producing glands in your eyelids, can disrupt tear quality. Without adequate oil in the tears, evaporation can occur more quickly, leading to dry eyes.

Surgery

Certain eye surgeries, like LASIK or cataract surgery, may temporarily disrupt tear production or change the shape of the cornea, resulting in dry eye symptoms.

Why It’s Important to Find the Underlying Cause

Since dry eye syndrome can stem from various causes, treating it effectively requires a clear understanding of what’s triggering your symptoms. For some people, lifestyle changes such as increasing hydration or using over-the-counter artificial tears may provide relief. However, for others, more advanced treatments may be needed to address the root cause, such as:

  • Prescription medications to stimulate tear production or reduce inflammation
  • Specialized eye drops that replenish oils in the tear film
  • Punctal plugs to help retain moisture in the eyes
  • Warm compresses and lid hygiene to treat blepharitis or meibomian gland dysfunction

Dr. Harris and Dr. Williams are experienced in diagnosing and treating dry eye syndrome by offering personalized care plans. Through a comprehensive eye examination, they can assess your tear production, eyelid health, and overall eye condition to determine the most effective treatment options for you.

Schedule an Appointment Today

If you’re experiencing any symptoms of dry eye syndrome, don’t wait until they worsen. The sooner you seek treatment, the sooner you can find relief and prevent potential complications. 

Dr. Harris and Dr. Williams at Lake Norman Eye Care are here to help you get to the bottom of what’s causing your dry eyes and guide you toward the best solutions to restore comfort and protect your vision.

Contact us today to schedule an appointment and take the first step toward a life free from dry eye discomfort. Your eyes deserve the best care, and we’re here to provide it.

Written by Dr. Mason Williams

Dr. Mason Williams is a passionate, full-scope Optometrist who enjoys seeing patients of all ages. He takes great pride in listening to patients to provide comprehensive eye-care that best meets their visual needs. His special interests include RGP/scleral contact lens fittings and the treatment and management of ocular disease.

After obtaining his B.S. in Mathematics from Benedictine University in Lisle, IL, he went on to earn his Doctor of Optometry from Southern College of Optometry (SCO) in Memphis, TN. He completed extern rotations at Eye Specialist Associates in Memphis, TN and the James A. Lovell Federal Health Care Center in Greatlakes, IL. During his rotations, he received extensive training to best help patients with a variety of their eye-care needs including pediatrics, geriatrics, cataract surgery co-management, Pre-LASIK consultations, ocular disease, as well as strabismus and amblyopia. While at SCO, Dr. Williams served as president of the Illinois State club and was a member of the Beta Sigma Kappa International Honor society.

Since graduating SCO, Dr. Williams has practiced alongside multiple Ophthalmology subspecialties to co-manage a variety of acute and chronic ocular disease cases. He hopes to be your trusted healthcare provider for whatever eye care problems you need addressed.

Originally from the Chicago suburbs, Dr. Williams and his wife (Heather) have enjoyed living in multiple parts of the U.S. In his spare time, he enjoys spending time with their 2 children, traveling, and eating out.

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