Understanding vision requirements, selecting the right lens materials and considering protective coatings can make ...
A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...
OPSM optometrist Elizabeth Kodari finds the development of progressive lens technology among the most fascinating of recent eyewear innovations. “Starting as a son’s desire to rid his father ...
Bifocal or trifocal or progressive lenses are really just multiple sets of lenses squashed into a smaller form factor, and greatly reduce the wearer’s field of view which is itself a significant ...