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(a) The near point of his eyes has receded away
(b) - 0.5 D
(b) – 0.5 D
(c) 25 cm
(c) ciliary muscles
(b) accommodation
A student sitting on the last bench can read the letters written on the blackboard but is not able to read the letters written in his text book. Which of the following statements is correct?
(a) The near point of his eyes has receded away
(a) The near point of his eyes has receded away
See lessA person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
(b) - 0.5 D
(b) – 0.5 D
See lessThe least distance of distinct vision for a young adult with normal vision is about
(c) 25 cm
(c) 25 cm
See lessThe change in focal length of an eye lens is caused by the action of the
(c) ciliary muscles
(c) ciliary muscles
See lessThe human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to :
(b) accommodation
(b) accommodation
See less