Intense Pulsed Light Therapy in Meibomian Gland Dysfunction

Intense Pulsed Light Therapy in the Treatment of Refractory Meibomian Gland Dysfunction

to evaluate the effect of intense pulsed light on resistant patients with Meibomian gland dysfunction

Inclusion Criteria:

• age of at least 20 years.
• The diagnosis of obstructive MGD based on ocular symptoms, plugged gland orifices, vascularity and irregularity of lid margins, and reduced meibum expression (meibum grade of .1, where grade 0 = clear meibum easily expressed, grade 1 = cloudy meibum expressed with mild pressure, grade 2 = cloudy meibum expressed with more than moderate pressure, and grade 3 = meibum could not be expressed even with strong pressure).
• failure of at least 3 types of conventional MGD therapy to improve symptoms or objective findings for at least 1 year before study treatment

Exclusion Criteria:

• the presence of active skin lesions, skin cancer, or other specific skin pathology.
• active ocular infection or ocular inflammatory disease.