Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up
Miguel Angel Pérez-Silguero,1 David Pérez-Silguero,2 Amado Rivero-Santana,3 Maria Inmaculada Bernal-Blasco,4 Pablo Encinas-Pisa1 1Department of Ophthalmology, La Paloma Hospital, Las Palmas de Gran Canaria, Canary Islands, Spain; 2Department of Ophthalmology, Pérez-S...
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Dove Medical Press
2021
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oai:doaj.org-article:91116cf238764275a5272a1e8aba742c2021-12-02T14:58:54ZCombined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up1177-5483https://doaj.org/article/91116cf238764275a5272a1e8aba742c2021-05-01T00:00:00Zhttps://www.dovepress.com/combined-intense-pulsed-light-and-low-level-light-therapy-for-the-trea-peer-reviewed-fulltext-article-OPTHhttps://doaj.org/toc/1177-5483Miguel Angel Pérez-Silguero,1 David Pérez-Silguero,2 Amado Rivero-Santana,3 Maria Inmaculada Bernal-Blasco,4 Pablo Encinas-Pisa1 1Department of Ophthalmology, La Paloma Hospital, Las Palmas de Gran Canaria, Canary Islands, Spain; 2Department of Ophthalmology, Pérez-Silguero Ophthalmologic Clinic, Las Palmas de Gran Canaria, Canary Islands, Spain; 3Department of Health Technology Assessment, Fundación Canaria Instituto de Investigación Sanitaria de Canarias (FIISC), Las Palmas de Gran Canaria, Canary Islands, Spain; 4Department of Community and Family Medicine, Primary Care Center of Cuevas Torres, Las Palmas de Gran Canaria, Canary Islands, SpainCorrespondence: Amado Rivero-SantanaServicio de Evaluación del Servicio Canario de la Salud, Camino Candelaria, 44, El Rosario, S/C de Tenerife, 38109, SpainTel +34 922478269Email amado.riverosantana@sescs.esPurpose: To assess the effectiveness of a combination of intense pulsed light and low-level light therapy (IPL/LLLT) for the treatment of dry eye.Study Design: Retrospective before-after single-center clinical study.Materials and Methods: Patients diagnosed with dry eye, refractory to conventional treatment, underwent four sessions of combined IPL/LLLT over 3 months. The Ocular Surface Disease Index (OSDI) questionnaire, non-invasive breakup time (NIBUT), tear film osmolarity and meniscus height were measured 6 months before intervention, at baseline, post-intervention (3 months), 9 and 15 months.Results: NIBUT, osmolarity and meniscus height significantly worsened during the 6 months before treatment, whereas symptoms did not change. OSDI scores significantly improved at post-intervention (MD = − 44.0, 95% CI − 38.1, − 50.0), and then increased again until the at last follow-up, but still significantly different from baseline (MD = − 30.0, 95% CI − 23.4, − 36.8). The three clinical signs showed a similar pattern, with one-year improvements of 3.6 seconds for the NIBUT (95% CI 3.1, 4.2, p < 0.001), 28 mOsm/L for osmolarity (95% CI 23.6, 32.4, p < 0.001) and 0.03 mm for meniscus height (95% CI 0.02, 0.04, p < 0.001). No adverse effects were observed.Conclusion: IPL/LLLT is safe and produces an important reduction in symptoms and signs of dry eye disease, still relevant one year after the end of treatment in a sample with high symptoms’ severity. Therefore, it represents a promising treatment option for patients who do not improve with conventional treatment. Randomized trials are needed to determine the added benefit provided by LLLT.Keywords: dry eye, meibomian gland dysfunction, intense pulsed light, low-level light therapy, retrospective studyPérez-Silguero MAPérez-Silguero DRivero-Santana ABernal-Blasco MIEncinas-Pisa PDove Medical Pressarticledry eyemeibomian gland dysfunctionintense pulsed lightlow-level light therapyretrospective study.OphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 15, Pp 2133-2140 (2021) |
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dry eye meibomian gland dysfunction intense pulsed light low-level light therapy retrospective study. Ophthalmology RE1-994 |
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dry eye meibomian gland dysfunction intense pulsed light low-level light therapy retrospective study. Ophthalmology RE1-994 Pérez-Silguero MA Pérez-Silguero D Rivero-Santana A Bernal-Blasco MI Encinas-Pisa P Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
description |
Miguel Angel Pérez-Silguero,1 David Pérez-Silguero,2 Amado Rivero-Santana,3 Maria Inmaculada Bernal-Blasco,4 Pablo Encinas-Pisa1 1Department of Ophthalmology, La Paloma Hospital, Las Palmas de Gran Canaria, Canary Islands, Spain; 2Department of Ophthalmology, Pérez-Silguero Ophthalmologic Clinic, Las Palmas de Gran Canaria, Canary Islands, Spain; 3Department of Health Technology Assessment, Fundación Canaria Instituto de Investigación Sanitaria de Canarias (FIISC), Las Palmas de Gran Canaria, Canary Islands, Spain; 4Department of Community and Family Medicine, Primary Care Center of Cuevas Torres, Las Palmas de Gran Canaria, Canary Islands, SpainCorrespondence: Amado Rivero-SantanaServicio de Evaluación del Servicio Canario de la Salud, Camino Candelaria, 44, El Rosario, S/C de Tenerife, 38109, SpainTel +34 922478269Email amado.riverosantana@sescs.esPurpose: To assess the effectiveness of a combination of intense pulsed light and low-level light therapy (IPL/LLLT) for the treatment of dry eye.Study Design: Retrospective before-after single-center clinical study.Materials and Methods: Patients diagnosed with dry eye, refractory to conventional treatment, underwent four sessions of combined IPL/LLLT over 3 months. The Ocular Surface Disease Index (OSDI) questionnaire, non-invasive breakup time (NIBUT), tear film osmolarity and meniscus height were measured 6 months before intervention, at baseline, post-intervention (3 months), 9 and 15 months.Results: NIBUT, osmolarity and meniscus height significantly worsened during the 6 months before treatment, whereas symptoms did not change. OSDI scores significantly improved at post-intervention (MD = − 44.0, 95% CI − 38.1, − 50.0), and then increased again until the at last follow-up, but still significantly different from baseline (MD = − 30.0, 95% CI − 23.4, − 36.8). The three clinical signs showed a similar pattern, with one-year improvements of 3.6 seconds for the NIBUT (95% CI 3.1, 4.2, p < 0.001), 28 mOsm/L for osmolarity (95% CI 23.6, 32.4, p < 0.001) and 0.03 mm for meniscus height (95% CI 0.02, 0.04, p < 0.001). No adverse effects were observed.Conclusion: IPL/LLLT is safe and produces an important reduction in symptoms and signs of dry eye disease, still relevant one year after the end of treatment in a sample with high symptoms’ severity. Therefore, it represents a promising treatment option for patients who do not improve with conventional treatment. Randomized trials are needed to determine the added benefit provided by LLLT.Keywords: dry eye, meibomian gland dysfunction, intense pulsed light, low-level light therapy, retrospective study |
format |
article |
author |
Pérez-Silguero MA Pérez-Silguero D Rivero-Santana A Bernal-Blasco MI Encinas-Pisa P |
author_facet |
Pérez-Silguero MA Pérez-Silguero D Rivero-Santana A Bernal-Blasco MI Encinas-Pisa P |
author_sort |
Pérez-Silguero MA |
title |
Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
title_short |
Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
title_full |
Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
title_fullStr |
Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
title_full_unstemmed |
Combined Intense Pulsed Light and Low-Level Light Therapy for the Treatment of Dry Eye: A Retrospective Before–After Study with One-Year Follow-Up |
title_sort |
combined intense pulsed light and low-level light therapy for the treatment of dry eye: a retrospective before–after study with one-year follow-up |
publisher |
Dove Medical Press |
publishDate |
2021 |
url |
https://doaj.org/article/91116cf238764275a5272a1e8aba742c |
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