[Demodex folliculorum: diagnosis and therapy today].

Demodex folliculorum is an ectoparasite found in eye lashes. A Demodex-associated blepharoconjunctivitis is common. Demodex are diagnosed via microscopy in a drop of oil after epilation of a few eye lashes. You can often watch the mites in movement under the microscope. Treatment includes lid hygiene and metronidazole gel 1-2 %. The treatment often improves the symptoms of the patient. Demodex folliculorum is often found in patients with persistent blepharoconjunctivitis. Every ophthalmologist should have a microscope to find the mites. Then you will be able to treat the patients in an early stage.