Gravity, blink rate, and lacrimal drainage capacity.
Nagashima
K
K
D001767:Blinking / Q000502:physiology*; D006112:Gravitation; D006801:Humans; D007765:Lacrimal Apparatus / Q000502:physiology*; D011187:Posture / Q000502:physiology; D013666:Tears / Q000502:physiology*