The Dangers of Night Driving Glasses

It is an all too common misconception that yellow tinted or yellow polarized night driving glasses are beneficial for night time driving. The thought is, the yellow or amber color reduces glare and improves contrast. However, in reality, when driving at night or dusk...

The Problem with UV 400 Treatments

Have you ever had the chance and check a pair of lenses that were treated with a UV solution some three to six month after the were made and handed to the patient? There is a good chance, that you will have a big surprise, your UV Meter ( if the instrument measures at...

Harry A. Saake’s 44 Tips for Dispensing Opticians

1. If you have a high plus lens, stay away from long narrow frames as they will tend to pop out of those frames the easiest since they are long across the top. One must understand that one of the reasons for having trouble keeping lenses in a metal frame is the...

Photochromic Lenses

Photochromic is a generic term to define a lens with a characteristic of changing state from clear to sunglass dark when exposed to light. Over the years this option has been available in many different chemical, material, and color combinations; as well as offered by...

Video: Histology of the Eye

An outstanding overview of the major structures of the eye from the University of Missouri Medical School including: the Cornea, Lens, Ciliary Body, Iris, Ciliary Epithelium, Canal of Schlemm, Neuron Chain, Rods and Cones, Neural retina, and Fovea...

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