单纯近视的发生究竟是由遗传还是环境因素决定,这是眼科学界长期争论的问题。人类对苯硫脲(Phenylthiocarbamide,PTC)的尝味能力为常染色体不完全显性遗传。已知红绿色盲、原发性青光眼等眼科疾病PTC味盲者居多,但尚未见近视与PTC Whether the occurrence of simple myopia is determined by genetic or environmental factors, which is the long-standing controversy in the field of ophthalmology. Human tryptophan (Phenylthiocarbamide, PTC) tasting ability of autosomal imperfection dominant inheritance. Known red-green color blindness, primary glaucoma and other ophthalmic diseases most of the blind taste PTC, but have not seen myopia and PTC