The amount of downforce created by the wings or spoilers on a car is dependent primarily on two things: 1  The shape, including surface area, aspect ratio and cross-section of the device, and. 2  The device's orientation (or angle of attack).
Without a doubt, Oakley did their homework on the Prizm line. Per Drew Wallace, Product Manager with Oakley Defense, Oakley SI developed the Prizm lenses (both the TR22 and the TR45) in conjunction with the Army Marksmanship Unit, which is a group of people who know what they want and get it.
The lenses in your prescription eyeglasses correct these problems by bending the light before it hits your eye in order to compensate, one way or the other, for your vision problems. It's this bending of the light that allows you to start a fire with your glasses - depending, that is, on what type of glasses you have. The Glasses: There are two main types of corrective lenses: Converging lenses and diverging lenses.