23/8/16 A diopter is a unit of measurement that indicates the amount of correction needed to change your vision to as close to / as possible The numbers on your eyeglass prescription are diopters, and they indicate the type and power of lens needed to achieve normal vision A numeral preceded by (for hyperopia) or (for myopia)18/1/21 /500 vision prescription /500 vision prescription1 Legally Blind Definition Treatments And Support Women S Collection Of Prescription EyeglassesFor example, you tested your vision from 10 feet and read the line 5 on the Snellen chart, then your visual acuity is 10/40 To convert to /based, you divide by the distance you read from and then multiply that to the second number of the line you read In this example, you divide
Glossary For Little Eyes
