the far point of the myopic person is 80cm in front of the eyes what is the nature and power of the lens required to enable him to see very distant objects distinctly? list two causes leading to myopic of the eye
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concave lens should be used to correct myopia disease. and the power of the lenses would be :-1÷-80-1÷0=1÷f
F=-80 cm
Power=1÷-0.8=-1.25 dioptres
cause of myopia :-
due to high converging power of eye lens
due to eye ball being too long
F=-80 cm
Power=1÷-0.8=-1.25 dioptres
cause of myopia :-
due to high converging power of eye lens
due to eye ball being too long
arun5790:
Not bad
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