y'all the optometrist just fat fingered the parameters for my 500€ custom order glasses for my uniquely fucked up eyes

I ask specifically the seasoned webdevs here, what's the most effective typo prevention system you've ever seen, where a measurable decrease in mistakes indicates the effectiveness of the system?

I had a health professional office fat finger $2000 instead of $20 copay once. I was like: It went through? Anyway, they fixed it pretty quick.

I have a chart that shows time spent coding and like 70% is preventing users from entering errors.

@Demolishun > "I had a health professional office fat finger $2000 instead of $20"

I'm almost surprised they caught and fixed it.

A healthcare group I belong to figured out they could 'double-dip' for wellness checks. They would get reimbursed for the first visit, then submit $xx until the insurance company approved the amount (sometimes just $15, other times over $50)

My wife called the healthcare office and, TL;DR, essentially told "You're not being charged, what do you care?"

That pissed off my wife. She contacted the insurance company and they basically responded "It's such a low dollar amount, we don't care. Call us when the bill is over $100,000"

Her parents are in the same group, so she looked at their EOBs and the group was doing the same tricks.

The whole medial billing industry is such corrupt mess.

Just stay poor. When you know you can’t afford another pair of glasses, you’ll be very careful with specifying parameters of this one