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Understanding MGD

MGD affects nearly 90% of all those with Dry Eye and it's treatable.

Meibomian Gland Dysfunction

Meibomian Gland Dysfunction, or MGD, occurs when there are blockages or structural damage that inhibits the natural production of protective oils from the meibomian glands located in our eyelids. This oil protects the watery layer in our tear film, but when these oils are not present, it causes your tears to rapidly evaporate and lose their consistency. Without these oils our eyes become more susceptible to the negative effects that dry climates, air conditioning, computer use, reading and other daily activities can have on the long-term health of our eyes.

Many commonly attribute their eye discomfort to dry eye, when the root cause of the burning, scratchy and redness is most likely MGD.

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Normal to Dry Eye

Protective Water Layer - Produced by the Lacrimal Gland | Water is Protected by Oil - Produced by the Meibomian Glands Located in the EyeLid | Water Evaporating - Redness, Dryness, Irritation, Burning and Eye Fatigue (left to right)

Why is MGD so prevalent?

Extensive computer, smartphone, and tablet use has contributed to a significant increase in partial blinking. Blinking stimulates the meibomian glands to secrete oils and spread a protective oil layer across the tear film. When we partially blink the eyelids do not touch, so there is no pressure applied at the meibomian glands to release these oils. Over time the oils harden in our meibomian glands and blockages develop.

What are the long-term effects of MGD?

When meibomian gland blockages occur, and the glands are left untreated, our g lands can shrink, deter orate and disappear entirely. For many patients with MGD, who have left the condition untreated, significant gland loss has occurred and treatment options become limited.

How is MGD Identified?

Both function and structure of the meibomian glands are evaluated to properly assess gland health and identify MGD. To determine function your doctor will check to see if the glands are releasing oil and whether partial blinking is contributing to the comfort of your eyes. Structure is observed with gland imaging, where you and your doctor can see if any structural damage or gland loss has occurred. If there is any damage to your gland structure, it is highly likely MGD is present and your eye discomfort will become progressively worse if left untreated.


Gland Function

Blocked glands mean a lack of necessary oil for proper ocular health. This is the leading cause of eye discomfort.


MGD assessment is a completely non-invasive painless diagnostic procedure that is essential if you are experiencing any consistent eye discomfort.

Gland Structure

If blocked glands are left untreated, there is a risk of significant gland loss.


Normal Gland Structure | Shorten Glands | Gland Loss  |  Significant Gland Loss (left to right)

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