Q. 1: The far distance a person can see an object is ata distance of 50 cm from the eye but she wants to see an object atinfinity. What types of lens is required to make her visioncorrection? Calculate the optical power of her lens.
Q 2: The near point a person can see an object is at adistance of 50 cm from the eye but he wants to see object at theleast distance of distinct vision. What types of lens is requiredfor him to correct his vision? Calculate the optical power of hislens.