Tomey UD-8000 - Page 312

■ 4-6
surface (mm)
= 0.56 + Rag –
4/
22
AGRag −
r < 7 → Rag = 7
r ≥ 7 → Rag = r
AG = 12.5L / 23.45
AG > 13.5 → AG = 13.5
3. Personal SF
() 22/4{
2
CAQCQAQBQBQSF −−−−= ｝･
Where:
AQ = (nc-1) - 0.001AREF {V(nc - 1) - r}
BQ = 0.001AREF {L2･V(nc - 1) - r(L2 - V･na)}
- {L2(nc - 1) + na･r}
CQ1 = 0.001AREF[V{na･r - L2(nc - -1)} + L2･r]
CQ2 = 1000na{na･r – L2(nc - 1) - CQ1}/P
CQ3 = L2･na･r-0.001AREF･L2･V･r･na
CQ = CQ3-CQ2
AREF : Refractive power of eye after surgery (D)
4. Corresponding SF
SF = 0.5663A - 65.60
Where:
A : A-Constant