RESUMO
AIM: To evaluate the effect of lid scrubbing using a gel combining different natural extracts on ocular signs and symptoms of dry eye patients. METHODS: A retrospective study was performed on 19 dry eye patients (51.1±16.0y). Non-invasive tear break-up time, tear meniscus height, meibomian gland loss, lipid layer thickness, conjunctival redness, corneal staining, ocular surface disease index (OSDI), and ocular pain intensity were measured before (baseline), 1wk, and 2mo after lid scrubbing with a gel containing different natural extracts (okra extract, aloe vera leaf juice, hydrolysed soy protein, caffeine, citrus unshiu peel extract, and raspberry seed oil). RESULTS: Compared with the baseline, there was a statistically significant improvement in both first (P=0.048) and average (P=0.026) non-invasive tear break-up time 2mo after treatment, as well as in corneal staining (P=0.043, 0.012), OSDI (P<0.001), and ocular pain intensity (P<0.001) after 1wk and 2mo. In addition, there was no correlation between ocular signs and symptoms. CONCLUSION: The lid scrubbing with a gel combining different natural extracts show beneficial effects on tear film stability, corneal damage, and ocular symptoms, which is the reason why this therapeutic procedure is proposed as an alternative for dry eye management. However, it is not possible to attribute this beneficial effect solely to the presence of the natural extracts in the gel, primarily due to the absence of a negative control group.
RESUMO
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