Update on Demodex Blepharitis
Keywords:
Demodex blepharitis, cylindrical dandruff, tea tree oilAbstract
Although Demodex mites are commonly found on normal human eyelids, these mites can cause anterior and posterior blepharitis. Underdiagnosis and undertreatment often occur because the symptoms of Demodex blepharitis considerably overlap with those of other anterior segment disorders. The presence of cylindrical dandruff around the base of the eyelashes and microscopic observation of the mites may support definitive diagnosis. Various treatments have been attempted, but specific eyelid cleansers with long-term eyelid scrubs are generally necessary to control Demodex infestation, improve clinical signs, and ameliorate patient symptoms. This article summarizes the pathogenesis, risk factors, clinical manifestations, diagnostic criteria, and clinical management of Demodex blepharitis.
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