Least Distance of distinctvision for nor...

Least Distance of distinctvision for normal eye is
A. 15 cm
B. 20 cm
C. 25 cm
D. 30 cm

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Least Distance of distinctvision for normal eye is A. 15 cm B. 20 cm C. 25 cm D. 30 cm

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Least Distance of distinctvision for normal eye is
A. 15 cm
B. 20 cm
C. 25 cm
D. 30 cm