It was retinoblastoma, a rare form of cancer affecting the retina that typically strikes children.

NPR: For Blind Lawmaker, Biography Reflects In Policy

Despite all the medical intervention, Habib's vision deteriorated, and the retinoblastoma ultimately forced doctors to remove his retina at age 8.

NPR: For Blind Lawmaker, Biography Reflects In Policy

It added that the study admitted it had looked at isolated cases, and there was no confirmed evidence linking IVF treatment and retinoblastoma.

BBC: Caution urged over IVF cancer link

She said three large studies, covering almost 20, 000 IVF children, had found no increased cancer risk, and that there were no cases of retinoblastoma amongst 6, 000 IVF children on the Scandinavian IVF database.

BBC: Caution urged over IVF cancer link