Q: Where is Amanda from?
A: She’s from Lee County, Virginia.

Q: I’m from a VA Hospital Prosthetics Department, and I have a purchase order here. Can I give it to you over the phone?
A: No. We need either fax, e-mail or mailed hard copy of a purchase order to start a job.
Q: But I really want to give it to you over the phone. Can I please?
A: No.
Q: But I talked to somebody once at some company, and they said it was ok. Can I now?
A: No.


How to Measure for a Multifocal


We use these things every day. Rather than hoard them in our own private Excel spreadsheets, we’re sharing them with the world! P.S. The world may not find them very useful. When processing lenses in the US, we make some assumptions about index of refraction that seem crazy to the rest of the world.

Aniseikonia Calculator

Diopters to Radius of Curvature Calculator

Transposition Calculator

Decision Trees