The maximum accommodation of a normal eye is at a distance of 25 cm from the
eye. The focal length of the eye lens cannot be decreased below this. Thus an object placed closer than 25 cm cannot be seen clearly by a normal eye.
The maximum accommodation of a normal eye is at a distance of 25 cm from the
eye. The focal length of the eye lens cannot be decreased below this. Thus an object placed closer than 25 cm cannot be seen clearly by a normal eye.