Understanding Dry Eye Syndrome: Causes and Symptoms

Dry eye syndrome is a common and often frustrating condition that affects millions of people. It occurs when your eyes do not produce enough tears or when the quality of your tears is insufficient to keep the surface of the eyes properly lubricated. Understanding the causes and symptoms of dry eye syndrome is the first step toward finding lasting relief and protecting your long-term eye health.

What Is Dry Eye Syndrome?

Your tears play a vital role in maintaining eye comfort and clear vision. A healthy tear film consists of three layers: oil, water, and mucus. Together, these layers help keep the eyes smooth, hydrated, and protected from infection.

Dry eye syndrome develops when there is an imbalance in this tear film - either from decreased tear production or from tears that evaporate too quickly. Without adequate lubrication, the eyes become irritated and inflamed, leading to ongoing discomfort.

Common Causes of Dry Eye Syndrome

There are several reasons why dry eye can develop. Some of the most common causes include:

• Aging: Tear production naturally decreases with age, making dry eye more common in adults over 50.
• Meibomian Gland Dysfunction (MGD): MGD occurs when the tiny oil-producing glands along the eyelids become blocked or do not function properly. Since the oily layer of tears helps prevent evaporation, dysfunction in these glands can cause tears to evaporate too quickly, leading to dry, irritated eyes.
• Blepharitis: Blepharitis is inflammation of the eyelid margins, often caused by bacteria or clogged oil glands. It can disrupt the tear film and contribute to burning, redness, crusting along the lashes, and chronic dry eye symptoms.
• Screen Time: Prolonged use of computers, tablets, and smartphones reduces how often we blink, leading to faster tear evaporation.
• Environmental Factors: Wind, smoke, dry climates, air conditioning, and indoor heating can all contribute to tear evaporation and eye dryness.
• Medical Conditions: Autoimmune disorders such as rheumatoid arthritis or Sjögren’s syndrome can interfere with tear production.
• Medications: Certain medications - including antihistamines, decongestants, antidepressants, and blood pressure medications - may reduce tear production.
• Contact Lens Wear: Extended contact lens use can disrupt the tear film and increase dryness.
• Hormonal Changes: Hormonal shifts, especially during pregnancy or menopause, can impact tear stability and production.

Symptoms of Dry Eye Syndrome

Dry eye symptoms can range from mild irritation to more persistent discomfort. Common symptoms include:

• A stinging, burning, or scratchy sensation
• Redness in the eyes
• Sensitivity to light
• Blurred or fluctuating vision
• A feeling of something being in the eye
• Stringy mucus around the eyes
• Eye fatigue
• Watery eyes

Many patients notice that symptoms worsen later in the day or after long periods of reading or screen use.

Why Dry Eye Should Not Be Ignored

Although dry eye may seem like a minor annoyance, untreated dry eye syndrome can lead to chronic inflammation and potential damage to the surface of the eye. Persistent dryness can also interfere with daily activities such as driving, reading, and working on a computer. Early diagnosis allows for more effective management and helps prevent complications.

When to See Your Eye Doctor

It’s important to schedule an eye exam if you experience:

• Persistent dryness lasting more than a few days
• Ongoing redness or irritation
• Blurred vision that improves with blinking
• Increased sensitivity to light
• Eye discomfort that interferes with daily activities
• Frequent need for artificial tears without lasting relief

A comprehensive eye examination allows your eye doctor to evaluate your tear production, tear quality, and overall eye health. From there, a personalized treatment plan can be developed to address the underlying cause of your symptoms.

Schedule Your Dry Eye Evaluation Today

Dry eye syndrome is a common but manageable condition. Recognizing the causes and symptoms early can help you seek timely care and avoid long-term discomfort. With proper diagnosis and a customized treatment plan, relief is possible.

If you are experiencing symptoms of dry eye, contact Advanced EyeCare & Optical to schedule a consultation and learn more about personalized treatment options designed to restore comfort. Visit our office in Collierville, Tennessee, or call (901) 850-2366 to book an appointment today.