Boston Envision contact lenses are rigid gas permeable contact lens that offers comfort and superior clarity of vision. These contact lenses from Bausch and Lomb are available at VisionDirect.com at attractive rates. Boston Envision contact lenses are manufactured by Polymer Technology. This means an exact fit along with clarity of vision and long-term comfort. These lenses are available at VisionDirect.com at affordable and attractive rates. Boston Envision contact lenses have a bi-aspheric back surface design because of which these lenses provide better comfort. These lenses are also easy to adopt because they are made of gas permeable materials. This makes Boston Envision contact lenses comfortable for (a bit extended) daily wear. These lenses also have a tinge of color so that it is easy to find them.