PLASTIC ASPHERIC LENSES.
CategoriesOptical Lenses

Affordable low vision devices with plastic aspheric lenses

AFFORDABLE LOW VISION DEVICES WITH PLASTIC ASPHERIC LENSES. What is Low Vision? Low Vision indicates a vision of less than…

What-why-Where of Aspherics
CategoriesOptical Lenses

What-Why-Where of Aspherics?

What is an ASPHERIC: Aspheric surface implies a non-spherical (viz: conic) surface with rotational symmetry about its optical axis. The…

Measuring Aspheres
CategoriesOptical Lenses

Measuring Aspheres: Selecting the Best Technique

The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing…

aspheric-lenses
CategoriesOptical Lenses

Aspheric Lenses: Optimizing the Design

With the understanding of aspheric lens manufacturing provided in this article, designers must have the tools to optimize their aspheres; the next…

Categoriescovid 19 safety products

How Do UV-Light Air Purifiers Work?

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

Categoriescovid 19 safety products

How Thermal Scanners Can Help Detect A Fever?

Optica, the manufacturer of Opto Scan Thermal Scanners, is at pains to remind the public that thermal scanners are not medical…

Categoriescovid 19 safety products, UV-C Sterilizer

UV-C Lamps: Playing it Safe

Light in the Ultraviolet-C (UV-C) spectrum has proven effective in killing virtually all known microorganisms, making it the ideal solution…

Categoriescovid 19 safety products

How to Celebrate a safe Independence Day amid COVID-19 ?

Independence Day weekend is usually all about celebrating life, liberty and the pursuit of happiness. But as cases surge across…

Categoriescovid 19 safety products

5 Reasons to Wear Anti-Fog Eyewear

1. Combat heat and humidity Situations involving strenuous activity, temperature, and humidity usually necessitate anti-fog safety eyewear. High-humidity environments create more…