We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. Back to Healio Contact lens wearers with dry eye ...

Ecoptik (also known as BRD Optical) provides meniscus lens in both positive and negative focal lengths. These meniscus lenses are useful when used with another lenses to increase or decrease the focal ...

The Sky-Watcher USA 190mm Maksutov-Newtonian telescope is a 7 1/2-inch (190mm aperture) f/5.3 instrument utilizing a meniscus lens and spherical primary mirror, both made of low-expansion borosilicate ...

THE lens-mirror system described by D. D. Maksutov 1, in which the aberrations of a spherical mirror are corrected by a single sphericalsurfaced meniscus lens, while eminently suitable for telescope ...

Like a lot of knee injuries, a meniscus tear can be painful and debilitating. Unfortunately, it's quite common. In fact, a meniscal tear is one of the most frequently occurring cartilage injuries of ...