For me, the concept of abstract painting is still the primary visual challenge of our time. (bombmagazine.org)
It was just a model system, to begin with until I came into contact with patients in the clinic with visual challenges. (brightfocus.org)
«Biologists peek into the past to see the future through tiny spider eyes: Biologists look to the past for early genetic development of tiny spider and insect eyes to find potential for research into human visual challenges.» (sciencedaily.com)