IOL calculation after capsular tension ring implantation: four formulas
Cataract
IOLZonular weaknessCapsular tension ringBarrett Universal IIIOL calculationFormula validationARGOS biometryHolladay IIPseudoexfoliation
In 98 eyes with a capsular tension ring, Barrett Universal II and Holladay II had lower absolute error, but all four formulas showed a mild hyperopic shift.
doi: 10.4274/tjo.galenos.2026.33338