Along with a slow developing brain, and legalblindness, it was also determined that she was legally deaf in her right ear.
她大脑发育缓慢，左眼失明，右耳失聪也已确诊。
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Someone with 20/40 sight can see objects at 20 feet that those with normal sight can see from 40 feet. In many countries, 20/200 is the legal definition of blindness.