In an external validation cohort, predicted peak VO₂ correlated with observed values at r = 0.654, with a root mean square error of 4.73 mL/kg/min.In an external validation cohort, predicted peak VO₂ correlated with observed values at r = 0.654, with a root mean square error of 4.73 mL/kg/min.
Dual vision impairment yielded a hazard ratio of 1.59 for functional-independence loss, compared with 1.39 for near-only and 1.42 for distance-only impairment.Dual vision impairment yielded a hazard ratio of 1.59 for functional-independence loss, compared with 1.39 for near-only and 1.42 for distance-only impairment.