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Purpose: The study comparatively evaluates the effectiveness of various approaches to acaricidal treatment in patients with chronic demodex blepharitis and meibomian gland dysfunctions., Material and Methods: The study included 40 patients with chronic blepharitis (CB) of demodicosis etiology in conditions of meibomian gland dysfunction (MGD) and dry eye (DE). The 1 st group of patients (20 people) received acaricidal treatment as part of therapeutic eyelid hygiene (TEH; 2 times a day) involving the use of «Blefarogel ochishchenie», «Blefarolosion», «Blefarogel forte» (contains sulfur and metronidazole). Acaricidal treatment in the patients of the 2 nd group involved applications of a product containing metronidazole (2 times a day) without TEH. Control points: 1) at inclusion in the study; 2) after a course of therapy (45 days). Evaluation included: patient acarograms, symptoms and signs of CB (points); OSDI; tear film break-up time (TBUT, sec), severity of meibomian gland dysfunction (S-MGD, points). Statistical analysis: calculation of M ± SD , Mann-Whitney, and Wilcoxon tests., Results: Acaricidal treatment was effective in both groups (reduction in demodex population, which was more pronounced in the 1 st group). Symptoms and signs of CB were significantly less pronounced in the patients of the 1 st group after therapy. The patients of the 1 st group showed a significant decrease in S-MGD, OSDI and an increase in TBUT, the 2 nd group - a significant decrease in OSDI and an increase in TBUT at the second control point. The positive OSDI and TBUT trends were significantly more pronounced in the 1 st group., Conclusion: Acaricidal treatment as part of TEH showed a significantly more pronounced reduction in demodex population, relief of CB symptoms and sign, OSDI decrease and TBUT increase, compared to the 2 nd group. Apparently, this was associated with combined acaricidal effect and significant S-MGD decrease in the patients of the 1 st group.

Purpose: The study evaluates the effectiveness of eyelid hygiene (EH) in correction of the ocular surface (OS) condition in patients with dry eye disease (DED) ahead of cataract phacoemulsification (CPE)., Material and Methods: The study included 90 patients with cataract: the first group consisted of 45 DED patients with lipid deficiency, the second group - 45 DED patients with lipid/mucous deficiency. Prior to CPE, all patients were randomized into three subgroups of 15 people each. In subgroups 1.1 and 2.1 patients did not receive any treatment for correction of the state of ocular surface. Patients in subgroups 1.2 and 1.3 were instilled 0.18% sodium hyaluronate (SH); in subgroups 2.2 and 2.3 - fixed combination of 0.15% SH and 3% trehalose. In subgroups 1.3 and 2.3 EH was performed (with «Blefarogel cleansing», «Blefarolotion», «Blefarogel-1» two times a day for one month before CPE). The control points were: 1) at study inclusion; 2) after correction of the ocular surface condition; 3) 30 days after CPE. The following parameters were evaluated: OSDI, TBUT (Norn's test), severity of meibomian gland dysfunction (MGD), patient satisfaction with CPE (CPE-PS). Statistical analysis: M±SD calculation, Mann--Whitney, Kruskal-Wallis and Wilcoxon tests., Results: At the second control point, a statistically significant more pronounced OSDI decrease and bigger increase in TBUT were observed in subgroups 1.3 and 2.3 compared to subgroups 1.2 and 2.2 (Mann-Whitney U-test). Apparently, this was associated with a reduction in MGD severity in patients who received EH. At the third control point, significant lower values of OSDI and MGD severity, higher TBUT values and greater CFE-PS were recorded in subgroups 1.3 and 2.3 (Kruskal-Wallis test, Wilcoxon two-sample test)., Conclusion: Carrying out EH using the «Blefarogel cleansing», «Blefarolotion», «Blefarogel-1» and artificial tear in patients with DED and cataract can increase the efficiency of correction of ocular surface condition and improve patient satisfaction with the outcome of CPE.