Posted by: Manhattan LASIK Center
Sharpness of vision, typically as measured with the use of a Snellen chart. 20/20 is considered usual visual acuity, however some people can see even better, such as 20/15 or 20/10.
Posted by: Manhattan LASIK Center
Sharpness of vision, typically as measured with the use of a Snellen chart. 20/20 is considered usual visual acuity, however some people can see even better, such as 20/15 or 20/10.