definition of blindness

definition of blindness Sec. 172. (a) The first sentence of section 216(i)(1) of the Social Security Act is amended by striking out “(B)” and all that follows and inserting in lieu thereof “(B) blindness; and the term ‘blindness’ means central visual acuity of 20/200 or less in the better eye with the use of a correcting lens.” (b) The second sentence of section 216(i)(1) of such Act is amended to read as follows: “An eve which is accompanied by a limitation in the fields of vision such that the widest diameter of the visual field subtends an angle no greater than 20 degrees shall be considered for purposes of this paragraph as having a central visual acuity of 20/200 or less.” (c) The amendments made by this section shall be effective with respect to benefits under section 223 of the Social Security Act for months after January 1968 based on applications filed after the date of enactment of this Act and with respect to disability determinations under section 216(i) of the Social Security Act based on applications filed after the date of enactment of this Act.