Lenses Eyeglass Basics Eyeglasses are more popular today than ever, despite the availability of contact lenses and vision correction surgery. Lens Options for Eyeglasses Options for eyeglass lenses have expanded. What used to be a simple choice between glass or plastic now involves a variety of quality and comfort features. Caring for Lenses These lens care and maintenance tips will go a long way toward maintaining your healthy sight. Prescription Eyeglasses Get tips on caring for your lenses and frames and learn about the benefits of bifocals, progressives, high index lenses and prescription sunglasses. Lens Treatments Today’s eyeglass lens treatments make a real difference in what you see, and what you don’t see. Scratches, glare, ultraviolet rays—all are potential hazards to healthy sight that can be minimized or eliminated by a lens treatment.