The power of a lens is -2.0 D. Here 'D' stands for: A) dilation B) dioptre C) degree D) distance
the power of the lens with which reflex is neutralized (irrespective of the power of WD lens) i.e NR value is taken as the final retinoscopy value. Here, -3.00DS is taken as the final power of retinoscopy.
Dioptre
distance
diopre
(b) diopter
dioptere
Dioptre
B. dioptre
diopter
Dioptre is the correct.