Effective Power Of Lens

Effective Power Of Lens

Lens power in diopters is the mathematical inverse of focal length in meters. Since contact lenses are fit right on the surface of the cornea they’re worn with virtually NO VERTEX DISTANCE. This can prove problematic; however, because most customers are refracted at a 10 to 14 mm distance. Because of the fact that there…

Are tinted sunglasses effective?

Are tinted sunglasses effective?

Pink tints, sometimes referred to as “soft-light” tints, are usually useful for patients who complain of discomfort working under fluorescent light. The pink tints selectively absorb more blue light, which is commonly more scattered by ocular opacities and haze. This may account for their apparent success in making office workers more comfortable. In NJ, our…