Before revision: Bottom third row - 7 mm (V = 1.0) Bottom row - 3.5 mm (V = 2.0) Black/white pattern identification at 1 arcminute angle is considered to be visual acuity of 1.0 .
After revision: , which is around 1 mm per 3.44 m distanceBottom third row - 7 mm (V = 1.0) Bottom row - 3.5 mm (V = 2.0) Black/white pattern identification at 1 arcminute angle is considered to be visual acuity of 1.0 .