The ICU Eyewear Henderson Reading Glasses are a classic selection with modern accents. A smooth and refined black rectangle eyeglass, the ICU Henderson is conservative and a great workhorse of a reader. The ICU Henderson has spring hinges to assist with comfort and durability over long periods of wear. The ICU Henderson frame is made from lightweight, durable polycarbonate plastic with silver accents. The Henderson lenses are also polycarbonate, scratch resistant and of optical quality. The ICU Eyewear Henderson Reading Glasses are available in seven diopters ranging from +1.25 to +3.00. The Henderson Reading Glasses measure 136mm wide by 143mm in length. Each ICU Henderson comes with a protective sleeve to help safeguard against the occasional mishap.