### Question
Can you define what blindness means?


### Answer
**Blindness** is defined as the following in *42 U.S.C. § 416*:

> central visual acuity of 20/200 or less in the better eye with the use of a correcting lens

#### Citation:
  - *42 U.S.C. § 416*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER II-FEDERAL OLD-AGE, SURVIVORS, AND DISABILITY INSURANCE BENEFITS**

