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A person has concave lenses in his spect...

A person has concave lenses in his spectacles. Which defect of vision is he suffering from ?

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Rohit is a car driver working for Mr Joshi. One day Rohit complained that he had difficulty in driving the car because he could not see the distant traffic clearly though he could see the nearby objects clearly. Mr Joshi took Rohit to an eye hospital. The eye specialist doctor checked and tested his eyes with various machines and gave him the name and power of the lenses to be worn as spectacles. Mr Joshi paid for the required spectacles for the driver. By wearing these spectacles, the driver could now see even the distant vehicles and people on the road clearly. He thanked Mr Joshi for this. What could be the two possible reasons for his eye defect? What type of lenses do you think the doctor recommended for Rohit's spectacles ?

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