Publication:
Effectiveness of Mediterranean Diet Implementation in Dry Eye Parameters: A Study of PREDIMED-PLUS Trial.

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Date

2020-05-01

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Molina-Leyva, Ignacio
Molina-Leyva, Alejandro
Riquelme-Gallego, Blanca
Cano-Ibáñez, Naomi
García-Molina, Laura
Bueno-Cavanillas, Aurora

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Abstract

The purpose of this study is to evaluate the effect of a Mediterranean diet supplemented with extra virgin olive oil and nuts on dry eye parameters. The participants in this study were randomized into one of the two interventional arms: (1) a standard intervention group, a Mediterranean diet supplemented with extra virgin olive oil and nuts; and (2) an intensive intervention group, based on a hypocaloric Mediterranean diet and an intensive lifestyle program with physical activity and weight-loss goals. In both groups, common dry eye tests were conducted at baseline and after six months: the Ocular Surface Disease Index (OSDI), the Dry Eye Scoring System (DESS), tear break-up time (TBUT), the Schirmer's test, and the Oxford staining grade. Sixty-seven eyes were examined. After six months, dry eye parameters improved in both groups; differences between groups were favorable for the intensive intervention group. The implementation of a Mediterranean diet pattern was beneficial for the selected patients with dry eye, and could be beneficial for patients with dry eye in general. Behavioral support for diet adherence and the promotion of healthy lifestyles (exercise) and weight loss (calorie restriction) have an added positive effect.

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Aged
Caloric Restriction
Diet, Mediterranean
Dietary Supplements
Dry Eye Syndromes
Exercise
Female
Healthy Lifestyle
Humans
Insurance Benefits
Male
Middle Aged
Nuts
Olive Oil
Patient Compliance
Treatment Outcome
Weight Loss

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Keywords

Dry eye, Extra virgin olive oil, Fatty acids, Mediterranean diet, PREDIMED-PLUS trial

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