1
Q
What is Vergence Formula ?
A
U + D = V , 1/u + D = 1/v
while Vergence = Diopter
Distance = m
2
Q
What is Reduced Vergence formula ?
A
nU+D=nV
3
Q
Total Power formula ?
A
Thick Lens
Pf+Pb+Pt = Pf+Pb+PfPb(d/n)
4
Q
Spherical Surface formula ?
A
P=(n2-n1)/r ( Consider vergence )
5
Q
Focus point formula ?
A
F = n/p ( consider vergence )
6
Q
Prism formula
A
hxd
7
Q
Image jump and displace recommend in myopia and hyperopia
A
myopia ft
hyperopia jump high RT
jump low FR
