Controlled Substances Act. An Act to amend the Public Health Service Act and other laws to provide increased research into, and prevention of, drug abuse and drug dependence; to provide for treatment and rehabilitation of drug abusers and drug dependent persons; and to strengthen existing law enforcement authority in the field of drug abuse.
What Is Polycarbonate ? The Stuff They Use For The Lenses In Sunglasses, Safety Glasses And Goggles. Polycarbonates are a particular group of thermoplastics. They are easily worked, molded, and thermoformed; as such, these plastics are very widely used in modern manufacturing.
Although polycarbonate lenses will absorb almost all UV light without the addition of a coating, it will not absorb blue light, so you will need a tint or clip-on lens. The best colour for blue absorption is a yellow or amber tint but brown will also be nearly as effective. Book an appointment.