Blog Hero

20-20 vision

Book your appointment

Visual acuity is measured using an eye chart in the Optometrists office.

“Normal” vision is 20/20. This means that the test subject sees the same line of letters at 20 feet that a normal person sees at 20 feet. 20/40 vision means that the test subject sees at 20 feet what a normal person sees at 40 feet.

Levels of Vision

  • 20/40 – Able to pass Driver’s License Test in all 50 States. Most printed material is at this level.
  • 20/80 – Able to read alarm clock at 10 feet. News Headlines are this size.
  • 20/200 – Legal blindness. Able to see STOP sign letters.


Written by Narpinder Jassar

Dr. Jassar earned his Bachelor of Science at Concordia University in Edmonton, then moved to Puerto Rico, where he completed his doctor of optometry degree in 2011. More Articles By Narpinder Jassar
instagram facebook facebook2 pinterest twitter google-plus google linkedin2 yelp youtube phone location calendar share2 link star-full star-half star star-half chevron-right chevron-left chevron-down chevron-up envelope fax