Dry Eye Clinical Trial
Official title:
Comparison of Non-pharmaceutical Treatments for Evaporative Dry Eye: A Randomized Controlled Study
The lipid layer of the tear film is critical to maintaining the integrity of the tear film and deficiency in the tear film lipid layer (TFLL) is the cause of evaporative dry eye (EDE) in approximately 80% of dry eye disease patients, resulting in excessive evaporation (so-called hyperevaporative dry eye). This study protocol was designed to assess and compare the effects of intense pulsed light (IPL), heated eye mask (HEM), vectored thermal pulsation system (VTPS), and eyelid massage device (EMD) for improving signs and symptoms of EDE. EDE patients will be randomly divided into IPL, HEM, VTPS, and EMD groups and will be followed up for four weeks. The primary outcome measure will be non-invasive tear breakup time (NITBUT). The secondary outcome measures will include, tear film lipid layer score (TFLL), meibomian gland function and secretion quality change from baseline conjunctival and cornea staining (CFS) with fluorescein and lissamine, tear meniscus height (TMH), conjunctival hyperemia (RS score) and ocular surface disease index (OSDI) questionnaire. Additionally, adverse events also were monitored and documented.
"A chronic, diffuse abnormality of the meibomian glands, frequently characterized by terminal duct obstruction and/or qualitative/quantitative abnormalities in glandular secretion," is how the International Workshop on meibomian gland (MG) hypofunction or dysfunction (MGD) describes MGD. These glands, which are repurposed sebaceous glands, secrete meibum onto the ocular surface. By improving the quality and quantity of meibum secretion, signs and symptoms of evaporative dry eye (EDE) and MGD can be alleviated. Traditional remedies derived from natural sources have been utilized for treating anterior eye ailments since ancient times, predating the advent of contemporary pharmacological interventions. These remedies continue to be employed in diverse populations globally. The objective of this study is to examine the present non-pharmacological modalities that have been implemented and evaluate their efficacy. This encompasses alternative medicine, extant non-pharmaceutical therapeutic modalities, as well as contemporary low and high technological interventions. The most common approaches to relieving MGD involve the application of heat to the eyelids with and without physical massage of the eyelids in order to express the MGs. ;
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