At Eyeglassdirect.com our Bifocal Flat-Top 28 Lenses are manufactured using the same high quality polycarbonate material as our standard lenses, with ultraviolet filter and scratch resistant coating. Bifocal Flat-Top 28 provide you with clear, sharp distance and reading vision. Recommended for prescriptions from +4.00 to -6.00.

	Pros	Cons
Reading Lenes Clear reading vision only No visible lines         Bifocal Lenses Clear distance vision and clear reading vision		Must be removed to see clearly beyond arm's length Second pair of glasses may be required to correct for distance Line through your field of view Image jump at the line No correction at intermidiate distances