ATHENS, Greece — Collarettes are a pathognomonic sign of Demodex blepharitis and are significantly correlated with symptoms such as itching, fluctuating vision, irritation and redness, according to a study.
“Demodex blepharitis is a pervasive, damaging eyelid disease that is caused by overgrowth of the Demodex mites,” Ruth Lapid-Gortzak, MD, PhD, said at the ESCRS winter meeting. “They are the most common ectoparasite in humans.”
In the Titan study performed in the U.S., 58% of the more than 1,000 subjects included were found to carry Demodex; 99% of those subjects