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  • Title: Therapeutic efficacy of intense pulsed light in patients with refractory meibomian gland dysfunction.
    Author: Arita R, Fukuoka S, Morishige N.
    Journal: Ocul Surf; 2019 Jan; 17(1):104-110. PubMed ID: 30445177.
    Abstract:
    PURPOSE: To evaluate the efficacy and safety of intense pulsed light (IPL) combined with meibomian gland expression (MGX) for treatment of refractory meibomian gland dysfunction (MGD). METHODS: Ninety eyes of 45 patients were randomly assigned to receive either the combination of IPL and MGX or MGX alone (control). Each eye underwent eight treatment sessions at 3-week intervals. Parameters were evaluated before and during treatment as well as at 3-11 weeks after the last treatment session. Measured parameters included the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire score, noninvasive breakup time (NIBUT), fluorescein breakup time (BUT), lipid layer grade, lipid layer thickness (LLT), lid margin abnormalities, corneal and conjunctival fluorescein staining (CFS) score, meibum grade, and meiboscore. RESULTS: A significant improvement in lipid layer grade was apparent in the IPL-MGX group from 6 to 32 weeks after treatment onset (adjusted P < 0.001) but was not observed in the control group. The IPL-MGX group also showed significant improvements in LLT, NIBUT, BUT, lid margin abnormalities, and meibum grade compared with the control group at 24 and 32 weeks (adjusted P < 0.001) as well as significant improvements in the SPEED score at 32 weeks (adjusted P = 0.044) and in CFS score at 24 (adjusted P = 0.015) and 32 (adjusted P = 0.006) weeks. CONCLUSIONS: The combination of IPL and MGX improved homeostasis of the tear film and ameliorated ocular symptoms in patients with refractory MGD and is thus a promising modality for treatment of this condition.
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