相关问题

带我的孩子去验光师那儿进行色盲测试。我们该如何准备?

No need to. It's a simple test where they show the child a book (called an ishihara) with numbers hidden within colored dots. He/she will be asked to identify the numbers and based on that the doc will be able to tell if he/she is color blind. 延伸阅读...