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Open AccessArticle

Ocular Surface Workup in Patients with Meibomian Gland Dysfunction Treated with Intense Regulated Pulsed Light

1
Carones Ophthalmology Center, 20122 Milan, Italy
2
Ophthalmology Unit, S.Orsola-Malpighi University Hospital, University of Bologna, 40138 Bologna, Italy
3
Ophthalmology Unit, Inferni Hospital, 47923 Rimini, Italy
4
Department of Ophthalmology, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
*
Author to whom correspondence should be addressed.
Diagnostics 2019, 9(4), 147; https://doi.org/10.3390/diagnostics9040147
Received: 20 August 2019 / Revised: 7 October 2019 / Accepted: 9 October 2019 / Published: 13 October 2019
(This article belongs to the Section Pathology and Molecular Diagnostics)
The purpose of the present study was to evaluate changes of signs and symptoms in patients with meibomian gland dysfunction (MGD) treated with intense regulated pulsed light (IRPL), and to further investigate which parameter could predict positive outcomes of the procedure. Twenty-eight patients who bilaterally received three IRPL sessions at day 1, 15, and 45 satisfied the criteria and were included in the study. Non-invasive break-up time (NIBUT), lipid layer thickness (LLT), meibography, tear osmolarity, and ocular discomfort symptoms were measured before and 30 days after the last IRPL session. Qualified or complete success was defined in the presence of an improvement of symptoms associated with an increase of NIBUT (< or ≥ 20%). After IRPL treatment, median NIBUT and LLT increased from 7.5 to 10.2 s and 2.0 to 3.0, respectively (p <0.001); tear osmolarity decreased from 304.0 to 301.0 mOsm/L (p = 0.002). Subjective symptoms improved after IRPL in 26 patients. Qualified success was reached in 34 eyes, while complete success in 16 eyes. Patients with lower baseline break-up time (BUT) values showed better response to treatment (p = 0.04). In conclusion, IRPL improved signs and symptoms in MGD patients, while lower baseline NIBUT values were predictive of better response to IRPL. View Full-Text
Keywords: intense pulsed light; meibomian gland disease; non-invasive break-up time; dry eye disease; evaporative dry eye intense pulsed light; meibomian gland disease; non-invasive break-up time; dry eye disease; evaporative dry eye
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Vigo, L.; Taroni, L.; Bernabei, F.; Pellegrini, M.; Sebastiani, S.; Mercanti, A.; Di Stefano, N.; Scorcia, V.; Carones, F.; Giannaccare, G. Ocular Surface Workup in Patients with Meibomian Gland Dysfunction Treated with Intense Regulated Pulsed Light. Diagnostics 2019, 9, 147.

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