Power 4D

power 4dMalaysia Live 4D Results for Magnum 4D, Sports ToTo, 4D88, DaMaCai 4D, Sarawak Cash Sweep & Sandakan 4D. Get inspired for your next buy. MY4DOptical power is also referred to as dioptric power, convergence power, refractive power, or refractive power. It is equal to P = 1 f. Dioptre Formula . The Dioptre formula is used to