Ao longo da vida, não há uma pessoa sequer que, cedo ou tarde, deixará de necessitar de algum tipo de correção óptica para enxergar melhor. O IBGE, Instituto Brasileiro de Geografia e Estatística, calcula que 16,5 milhões de brasileiros sofrem de algum tipo de...
O Magnífico Olho Humano: Quando olhamos na direção de algum objeto, a imagem atravessa a córnea e passa pela íris através da pupila, que regula a quantidade de luz que penetra no olho. Passada a pupila, a imagem chega ao cristalino e é focada sobre a retina. A lente...
Sobre a Visão Animal, não existe ranking oficial, mas tomando-se por base estudos isolados no quesito visão de longo alcance, as aves de rapina são as campeãs do planeta. Visão Animal: Questão de vida ou morte Enxergar bem é questão de vida ou morte para caças...
Estudando o DNA de aproximadamente 800 pessoas de diferentes etnias, todas com olhos azuis, cientistas da Universidade de Copenhague tentaram comprovar a suposta origem comum dos olhos azuis. A pesquisa indicou que 99,5% dos indivíduos analisados partilham a mesma...
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