Show pagesourceOld revisionsBacklinksBack to top Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer Reddit TeamsRecent ChangesSend via e-MailPrintPermalink × This is an old revision of the document! How to Test Vision with an Iowa Driver's License Hold the license 16 inches from the eyes Use best correction: bifocals or reading glasses Snellen Equivalents: IOWA- 20/160 Name and Address - 20/50 Small serial number - 20/32 tests