Demodex folliculorum can cause blepharitis, usually in conjuction with infestation of facial skin causea rosacea.
Clinical features of Demodex blepharitis – any of the following:
(1) blepharitis, conjunctivitis, keratitis, blepharoconjunctivitis
(2) recurrent chalazia
(3) madarosis (loss of eyelashes or eyebrows)
(4) recurrent trichiasis (ingrowing eyelashes)
Reasons to suspect Demodex folliculorum:
(1) The condition is refractory to conventional therapy.
(2) Cylindrical dandruff is seen at the root of eyelashes on slit-lamp exam.
The presence of Demodex eggs, larvae and adult mites in epilated lashes confirms the diagnosis.
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Specialty: Infectious Diseases, Dermatology, Ophthalmology
