«Not only do we find a rapid deceleration of the gas as it moves from the outer to the inner edge of the eyelids, but we also measure that the more rapidly it decelerates, the denser the molecular gas becomes,» said Kaufman. (alma-telescope.jp)
Place thumb on lower, inner edge of eyelid and roll thumb inward with minor pressure, popping the third eyelid back into its original, correct position. (allstarfrenchbulldogs.com)
In Mastiffs, the ligaments around the eye are relatively loose as with all wrinkled breeds, causing the outer edge of the eyelid to fold inward which subsequently causes irritation by the eyelash. (dogsbarn.com)