色盲
An eye defect of which the person cannot recognise some or all colours due to reduced number of cone cells or defects in one type or more types of these cells. It is a kind of genetic disorder which is caused by a recessive allele located on the X chromosome (Book 2, p.223 & Book 3, p.218)
由於一種或甚至三種視錐細胞的數目不足或有缺陷，以致不能辨別部分或所有顏色的眼睛毛病。屬於一種在 X 染色體上的一個隱性等位基因而引致的遺傳疾病。
Related term: cones (視錐細胞)
Pronunciation in English (listen with default application).
