Definition of visual acuity in English:
Sharpness of vision, measured by the ability to discern letters or numbers at a given distance according to a fixed standard.
- The macula serves to facilitate central vision and allows for high-resolution visual acuity.
- Your visual acuity is expressed in a fraction - such as 20/20 vision.
- Dr. Birch noted that the current study was a follow-up to an earlier study of the children's visual acuity.