1. Combat heat and humidity Situations involving strenuous activity, temperature, and humidity...

Independence Day weekend is usually all about celebrating life, liberty and the pursuit of...

Light in the Ultraviolet-C (UV-C) spectrum has proven effective in killing virtually all known...

Optica, the manufacturer of Opto Scan Thermal Scanners, is at pains to remind the public that...

Historically, ultraviolet (UV) light has been used to disinfect water, surfaces and the air. You may...

With the understanding of aspheric lens manufacturing provided in this article, designers must have...

The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations...

What is Low Vision? Low Vision indicates a vision of less than 6/18 but more than 3/60 or field of...

What is an ASPHERIC: Aspheric surface implies a non-spherical (viz: conic) surface with rotational...