Podcast Episode #218: Demystifying the 20-20 and 6-6 Vision Scales

In this episode, you’re going to learn what exactly “20-20″ or “6-6″ vision means and how this scale is determined, as well as how it was originally thought up. [TRANSCRIPT]

Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML

You can also find more episodes by going here: Daily Knowledge Podcast

Share the Knowledge! facebooktwittergoogle_plusredditpinteresttumblrmailfacebooktwittergoogle_plusredditpinteresttumblrmail
Print Friendly
Enjoy this article? If so, get our FREE wildly popular Daily Knowledge and Weekly Wrap newsletters:

Subscribe Me To:  | 

One comment

  • Your podcast is wrong. In the US the big “E” at the top of the chart is a 20/400 size, not 20/200. Also 20/200 is only considered legally blind if that is your best corrected acuity. That means with your glasses or contacts on your best vision is 20/200 or worse.

Leave a Reply

Your email address will not be published. Required fields are marked *