Blink frequency of 20 blinks per minute improves tear meniscus height and tear break-up time in dry eye patients. The study involved 45 participants aged 14 to 35, using eye-tracking glasses to ...
Blinking is a commonplace gesture. But when your eyes open and close at lightning speed, as if a speck of dust had settled in them, this tic takes on a whole new meaning. This natural, though ...