(1) (txtwriter.com) Each ignites its own debate, so I will focus primarily on the role of the appendix in the human body. The appendix is present in many primates, and primarily (pun intended) used to aid in the digestion of cellulose. Located between the small and large intestines, the appendix and neighboring caecum slows down the body's digestive process.
Products / Optics / Optical Lenses / UV Lenses. UV Lenses. UV Lenses are used in many collimation, focusing, or laser applications that operate in, or extend into, the ultraviolet spectrum. UV Lenses are optical lenses consisting of a single or multiple elements that have been designed for optimal performance when used with ultraviolet light.
1 Polycarbonate lenses also provide ultraviolet protection. 2  Trivex lenses. 3  These lenses are made from a newer plastic with similar characteristics of polycarbonate lenses. 4  They are lightweight, thin, and impact-resistant and may result in better vision correction than the polycarbonate lenses for some people.