Opticianry Archives - Page 3 of 3

Defocus Media Interview with Optician Carissa Dunphy

New Interview on Defocus Media Podcast

January 17, 2019

I had the privilege of sitting down with Dr. Lyerly and sharing some thoughts for her Podcast, Defocus Media. I shared how I got started in the industry, information about obtaining ABO certification and/or state Optician licensure and why one would want to obtain this credential. We also discussed the importance of the doctor-patient-handoff and how this is a great opportunity for many things. This episode I also share how I got involved in some industry projects, how you can

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

September 19, 2018

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 in plus form by Ophthalmology, since is was being formalized around this same time. However, in the early 1900’s Dr. A. Estelle Glancy and Dr.