The all new V700 Visiball Golf Vision System brings a new look of performance and functionality to the golf course. In addition to Visiball's patented optical filters that block out all colors of the light spectrum except white, The V700 also includes 3 additional sets of lenses that help golfers adjust to the changing conditions of the weather and to read the breaks on the green. The bright yellow lenses are designed to brighten the field of view in low sunlight or overcast conditions. The grey lenses protect the players eyes from the harsh rays of the sun on sunny days. The green lenses remove the shadows and contrasts from the putting surface allowing golfers to get a better line on their putts. The V700 model is designed from sturdy polycarbonate plastic and features an ingenious quick change mechanism that makes lens changing a snap. Each pair of Visiball glasses comes with a sturdy, nylon carry case that clips on to the users golf bag. Visiball Glasses are designed to be worn only when searching for your lost golf balls.