Football helmet shields can protect against a kick in the face
... research. The researchers also analyzed various qualities of the curved plastic that might affect vision such as light distribution, hazing or a prismatic effect that changes the direction of light. The shields exceeded standards related to these measures. "Both brands are of high optical quality, and...Assisting stroke patients to recover balance
...aroline Tilkete and her colleagues at the Lyon neurological laboratory of INSERM the French medical research agency, gave wedge shaped spectacles with prismatic lenses to patients with postural problems. These made objects appear 10 degrees farther to the right or the left than they were. As expected, wh...Helping stroke patients to recover balance
...aroline Tilkete and her colleagues at the Lyon neurological laboratory of INSERM the French medical research agency, gave wedge shaped spectacles with prismatic lenses to patients with postural problems. These made objects appear 10 degrees farther to the right or the left than they were. As expected, wh...XL Advantage 5.5x @ 46cm working distance
Description:... The XL Advantage delivers higher magnification for advanced surgical procedures. prismatic quality guarantees a crisp, true image, even at the highest magnification. 3.5x, 4.5x and 5.5x. Edge to edge clarity and precise color rendition is id...XL Advantage 5.5x @ 42cm working distance
Description:... The XL Advantage delivers higher magnification for advanced surgical procedures. prismatic quality guarantees a crisp, true image, even at the highest magnification. 3.5x, 4.5x and 5.5x. Edge to edge clarity and precise color rendition is id...XL Advantage 5.5x @ 34cm working distance
Description:... The XL Advantage delivers higher magnification for advanced surgical procedures. prismatic quality guarantees a crisp, true image, even at the highest magnification. 3.5x, 4.5x and 5.5x. Edge to edge clarity and precise color rendition is id...XL Advantage 4.5x @ 46cm working distance
Description:... The XL Advantage delivers higher magnification for advanced surgical procedures. prismatic quality guarantees a crisp, true image, even at the highest magnification. 3.5x, 4.5x and 5.5x. Edge to edge clarity and precise color rendition is id...XL Advantage 4.5x @ 42cm working distance
Description:... The XL Advantage delivers higher magnification for advanced surgical procedures. prismatic quality guarantees a crisp, true image, even at the highest magnification. 3.5x, 4.5x and 5.5x. Edge to edge clarity and precise color rendition is id...Johnson Controls reveals new hybrid-electric car batteries
..., designed for hybrid electric vehicles. The NiMH, or nickel-metal-hydride, prismatic battery was developed largely with technologies from Varta Battery Automotive Business, which Johnson acquired in October of 2002. The NiMH prismatic battery follows the introduction of Johnsons NiMH cylindrical cell, another...