We provide #1 transportation to Burbank Glendale Pasadena Airport, Los Angeles Airport. 1  Roadrunner Shuttle and Limousine Service provides safe, reliable, quality ground transportation solutions to and from your home, hotel, or office.
In the laboratory, the prescription eye glasses start off as lens blanks, which are either made from a plastic or glass disc that is about four inches wide and up to one and one-half inches thick. The blank lens has a flat back surface and a curved front surface.
Single vision prescriptions work well in different lens materials: Glass â works well low prescriptions - 1.53 Index of Refraction - Heaviest of all lens materials (higher Rxâs can be quite heavy on the face) - Hardest of all material - Safety Issues â most eye doctors will not put into a childâs eyeglass frame