Dry Eye

What is Dry Eye?

Dry eye is a common condition that occurs when your eyes do not produce enough tears or when the tears evaporate too quickly. This can lead to inflammation and damage to the surface of the eye. Tears are essential for maintaining the health of the front surface of the eye and for providing clear vision. When the delicate balance of tear production and drainage is disrupted, it can result in dry, irritated eyes.

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Cause of Dry Eye

Dry eye can be caused by a variety of factors including aging, hormonal changes, medications, and underlying medical conditions. Environmental factors such as wind, smoke, and dry climates can also exacerbate dry eye symptoms. Additionally, prolonged screen time and insufficient blinking can contribute to the development of dry eye.

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Meibography (Meibomian Gland Assessment)

Meibography is a specialized imaging technique used to evaluate the meibomian glands, which are responsible for producing the oily layer of the tear film. Dysfunction or blockage of these glands can lead to evaporative dry eye. At Harlan Eye Care, our meibography assessments provide detailed images of the meibomian glands, allowing us to diagnose gland dysfunction and tailor appropriate treatments.

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TFBUT Measurement (Tear Film Break-Up Time)

Tear Film Break-Up Time (TFBUT) measurement is a diagnostic test that assesses the stability of the tear film. It measures the time it takes for dry spots to appear on the cornea after a blink. A shorter TFBUT indicates a less stable tear film, which can be a sign of dry eye. This test helps our team at Harlan Eye Care to understand the severity of your dry eye condition and develop a targeted treatment plan.

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InflammaDry (MMP-9 Inflammatory Marker Testing)

InflammaDry is a diagnostic test that detects the presence of MMP-9, an inflammatory marker elevated in dry eye patients. This test involves collecting a small sample of tears from the lower eyelid. The presence of elevated MMP-9 levels indicates inflammation, which is a significant factor in dry eye disease. Using InflammaDry, our team at Harlan Eye Care can better understand the inflammatory component of your dry eye and customize your treatment accordingly.

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In-Office Blepharitis and Demodex Treatments (Zest Treatments)

At Harlan Eye Care, we offer in-office blepharitis and demodex treatments, known as "Zest" treatments. These procedures are designed to thoroughly clean the eyelids and remove debris, bacteria, and demodex mites that contribute to inflammation and irritation. Zest treatments provide relief from symptoms and help to maintain healthier eyelids.

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In-Office Meibomian Gland Expression

Meibomian gland expression is a specialized in-office procedure that involves gently expressing the clogged oils from the meibomian glands. This treatment helps to restore the normal flow of oils into the tear film, reducing evaporative dry eye symptoms. At Harlan Eye Care, we use precise techniques to ensure effective and comfortable gland expression.

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Punctual Plug Placement

Punctal plug placement is a minimally invasive procedure that involves inserting tiny plugs into the tear ducts to reduce tear drainage. This helps to increase the tear film on the surface of the eye, providing relief from dry eye symptoms. At Harlan Eye Care, we offer punctal plug placement to help retain your natural tears and improve eye comfort.

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Prescription Medications

For some patients, prescription medications may be necessary to manage dry eye symptoms effectively. These medications can include anti-inflammatory drops, lubricating eye drops, or oral medications to improve tear production and reduce inflammation. Our doctor at Harlan Eye Care will work with you to determine the best medication regimen for your specific condition.


At Harlan Eye Care in Collierville, TN, we are committed to providing comprehensive and personalized dry eye treatments. If you are experiencing symptoms of dry eye, contact us today to schedule an appointment and take the first step toward relief and better eye health.