The form of glaucoma, known as open-angle, is the most common form of the disease, and involves mounting pressure on the optic nerve.

WSJ: New Drug Approved to Treat Eye Condition

And I appreciated the way you could change the pressure and even the location and angle of the spray.

WSJ: In the Driver's Seat

Signatures are distinctive because each of us holds the pen at a different angle, moves it at a different rate, and varies the pressure on the page.

FORBES: Ten O'Clock Tech: The Smartpen

Fabianski again needed to be at his best to deny Silva from a tight angle, but from then on it was all Arsenal and Song swept into the top corner following a period of sustained pressure.

BBC: Man City 0-3 Arsenal