[teslabox]

About four years ago I went to the Costco optometrist for a contact lens prescription. The O.D. said I was at the age where people start needing reading glasses, but I passed on those. It was the strongest prescription I'd ever had. After the appointment I put the contacts in the case and wore my weak glasses for the rest of the week. The day before the check appointment I put them back on my eyes - everything was crystal clear, but I couldn't read my phone.

The check appointment was with the practice's other O.D. I said the prescription would've been great for sniper shooting, but I just needed something to read the computer monitor. "You want an intermediate-range prescription." It was better, but still too strong. I used the curvature measurement to order my own prescription from one of the online contact stores. Three years later I upped my prescription by a quarter diopter.

Contact pro-tip: I use my contacts for 1.5 to 2x the rated time. Daily contacts can't be used for more than a day. 2 week contacts are good for at least 3 weeks. I've found my monthly contacts are good for at least 6 weeks. I've started using the hydrogen peroxide contact solutions: https://clearcaresolution.myalcon.com/

> even though your prescription is "correct"?

Most people have a range of prescriptions that they find acceptable. Some people's visual mechanism only 'likes' a specific prescription that might not correct them to 20/20. Developmental Optometry is a sub-specialty of optometry that considers more than acuity. This is a overview: https://www.theottoolbox.com/behavioral-optometrist-developm...

My contacts correct to 20/40 or 20/50, which are good enough for most tasks.