ROOT'S SIMPLE IOL-EXCHANGE CALCULATOR
NAME: DOB: EYE: NOTES:
IOL USED (P₀, D)
Observed end refraction (R₀, D)
IOL step size (ΔP, D)
Change of expected refraction per one step (ΔR magnitude)
Number of rows to output
Calculate
Print results
Reset Form
Suggested exchange: —
IOL (D)
Ref (D)
IOL (D)
Ref (D)
Reset returns all fields to their original defaults and clears saved values.
Model: R(P) = R₀ + s·(P − P₀), slope s = −(ΔR magnitude per step)/(step size).