Before revision: With the helpof accomodation , a normal young human eye can change focus from distance (infinity) to as near as 6.5 cm from the eye.That value follows from the maximum accommodative power and can be calculated as 100 cm/15 dpt.
After revision: With the help of accommodation , a normal young human eye can change focus from distance (infinity) to as near as 6.5 cm from the eye.That value follows from the maximum accommodative power and can be calculated as 100 cm/15 dpt.