Ask Lemmy

26903 readers

1557 users here now

A Fediverse community for open-ended, thought provoking questions

Please don't post about US Politics. If you need to do this, try [email protected]

Rules: (interactive)

1) Be nice and; have fun

Doxxing, trolling, sealioning, racism, and toxicity are not welcomed in AskLemmy. Remember what your mother said: if you can't say something nice, don't say anything at all. In addition, the site-wide Lemmy.world terms of service also apply here. Please familiarize yourself with them

2) All posts must end with a '?'

This is sort of like Jeopardy. Please phrase all post titles in the form of a proper question ending with ?

3) No spam

Please do not flood the community with nonsense. Actual suspected spammers will be banned on site. No astroturfing.

4) NSFW is okay, within reason

Just remember to tag posts with either a content warning or a [NSFW] tag. Overtly sexual posts are not allowed, please direct them to either [email protected] or [email protected]. NSFW comments should be restricted to posts tagged [NSFW].

5) This is not a support community.

It is not a place for 'how do I?', type questions. If you have any questions regarding the site itself or would like to report a community, please direct them to Lemmy.world Support or email [email protected]. For other questions check our partnered communities list, or use the search function.

Reminder: The terms of service apply here too.

Partnered Communities:

Logo design credit goes to: tubbadu

founded 1 year ago

MODERATORS

[email protected]

When reading prescription, how do read Jibberish to order glasses online? (lemmy.world)

submitted 2 months ago by [email protected] to c/[email protected]

146 comments fedilink hide all child comments

Seriously, what the fuck is this?

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 7 points 2 months ago (1 children)

The correction is typically slightly lower than for glasses, but besides the corrections (sphere, cylinder and axis), lenses also have curve (BC) and diameter (DIA) to fit your eye.

If you have an old box of lenses you can usually find all the numbers printed on the side.

I only use lenses occasionally, so when I recently ordered lenses online using the info from an old box and correcting for the change in my glasses since I had the old lenses, I could sort of figure it out, but they are probably still off by 0.5 or so.

I think you're better off seeing an optometrist than guessing.