The diffractive bifocal IOL performed well at distance and near. Patients who no longer require spectacles will benefit significantly from a bifocal IOL, but many with a bifocal IOL in one eye will require spectacles for the fellow eye.
For children having cataract surgery with primary implantation of BIL-IOL, VAO is rare and visual outcome overall good. Unilateral cataracts are associated with a higher proportion of ocular comorbidity and poorer visual outcome.
The age-specific binational prevalence of operated congenital/infantile cataract in Sweden and Denmark is 30/100 000. About half of the operations are performed within the first year of life, one-third within the first 3 months. In our study population, a primary IOL was implanted in the majority of cases.
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