Barrett Universal 2 best across all axial lengths; Kane for hyperopic extremes

Barrett Universal 2 best across all axial lengths; Kane for hyperopic extremes
  • Dr. Shama Kovale — Consultant at ENT Voice and Swallowing Surgeon at Kokilaben Dhirubhai Ambani Hospital, Mumbai

ENT

Barrett Universal 2 is the best IOL power formula across all axial lengths, with Kane formula and Hoffer Q preferred for hyperopic extremes. Dilated biometry causes 0.2 D error, so pupil size measurement should be undilated, and 10-20% of premium IOL cases benefit from optical biometer use. Barrett Universal 2 best for all axial lengths Barrett Universal 2 best across all axial lengths; extremes: Kane formula, Hoffer Q for hyperopia; pupil size critical: measure undilated, 0.2 D error with dilated biometry; optical biometer not mandatory for premium IOL but improves accuracy, 10-20% premium cases benefit; sweep source OCT biometers preferred; mature cataracts may still need immersion A-scan