from AAPOS

Meibomian gland dysfunction (MGD) refers to the condition where the glands are not secreting enough oil or when the oil they secrete is of poor quality. Often, the oil gland openings get plugged up so that less oil comes out of the glands. The oil that does make it out of the glands can be granular (crusty) or otherwise unhealthy and can cause irritation.

MGD is very common. In the early stages, patients are often asymptomatic, but if left untreated, MGD can cause or exacerbate dry eye symptoms and eyelid inflammation. The oil glands become blocked with thickened secretions. Chronically clogged glands eventually become unable to secrete oil which results in permanent changes in the tear film and dry eyes.

Symptoms include:

  • Dryness
    • Burning
    • Itching
    • Stickiness/ Crustiness
    • Watering
    • Light Sensitivity
    • Red Eyes
    • Foreign Body Sensation
    • Chalazion/Styes
    • Intermittent Blurry Vision
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