你听说过给鸡戴的有色无形眼镜吗?这一眼科新产品是马萨诸塞州一家叫作“动物光学有限公司”的兰德尔·怀斯和他的同事们搞出来的。怀斯今年三十二岁,他的父亲是加利福尼亚州一家家禽饲养场的场主。怀斯曾从他父亲那儿了解到,鸡患白内障后,不仅视力衰退,并且丧失它们互啄的习 Have you heard of tinted non-ophthalmic glasses for chickens? The new ophthalmic product was made by Randall Wise, a Massachusetts-based animal optics company, and his colleagues. Wise, 32, is his father, a poultry farm owner in California. Wise learned from his father that after suffering from cataracts, not only vision loss, but also loss of mutual learning