history

The New American Optical

As an Optician, I have always enjoyed learning about the history of our profession and industry, part of that history is American Optical. Earlier this year STATE Optical Co, the handmade luxury eyewear division of Europa, announced their acquisition of AO Eyewear. American Optical is the oldest optical company in America (dating back to 1833) …

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Why do Optometrists write Rx’s in negative cylinder while Ophthalmologists use positive cylinder?

Last week I came across this question in a forum, which I have always wondered why, and leave it to the Optical Yoda, Van Rue to answer and allowed me to share: Ages ago, Cylinder was ground on the front of all lenses beginning around 1835, with sphere on the back… so Cyl was noted …

Why do Optometrists write Rx’s in negative cylinder while Ophthalmologists use positive cylinder? Read More »