O Formula with OCT ray tracing: was it more accurate?
Cataract
IOLIOL power calculationTotal keratometryRefractive stabilityIOL calculationFormula validationO FormulaRay-tracing IOL calculation
In a 325-eye series, O Formula had lower error than four contemporary formulas, but did not differ significantly from SRK/T and was tested at one center.
doi: 10.1016/j.ajo.2025.08.049