Background:

the blepharitis is a common illness in the ophthalmological practice, of chronic course with exacerbation crisis and multifactorial etiology, often associated with Demodex spp., mite of the hair follicle, extended and frequent parasite; its infestation in human is known as demodecosis.

Objective:

to characterize from the clinical point of view patients with blepharitis and demodecosis.

Methods:

a descriptive, traverse study was carried out in the Educational Surgical Clinical Military Hospital Dr. Octavio of the Concepción and of the Pedraja of Camagüey in the period of September, 2017 to November, 2018. The population study object was conformed by 84 patients with diagnostic of blepharitis who were confirmed with the presence of Demodex spp. and they completed criteria defined by the author. Biological variables were studied (age and sex) and clinic (symptoms and signs). The results were exposed in charts using descriptive statistic for distributions of frequencies. Ethical aspects for investigation in human were respected.

Results:

in more than half of the patients with diagnostic of blepharitis was confirmed the presence of Demodex spp., the sick persons older than 61 years prevailed, as well as of the feminine sex, the clinical manifestations with more incidence were: presence of cylindrical dandruff, alterations of the lash, smarting and pruritus, continued by uncertainty of the lachrymal movie, alterations palpebral embroider, superficial keratitis and sensation of strange corpse in the eye.

Conclusions:

the study demonstrates the presence of the Demodex spp. in an important number patient with blepharitis which contrasts with, in Cuba there isn´t enough documented literature that shows their prevalence, behavior or diagnostic techniques, as well as efficient therapeutic variants in this illness.

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