Qi The Yang Energy System There are 2 types of qi. One is congenital qi ( Hsiantian ) and the other is acquired qi ( Houtian ). Congenital qi is qi of the organs and channels, and it is acquired from the parents. In acquired qi, there is nutrient qi ( Yingqi ) which circulates …
By Shandong Science And Technology Press (1985) Clinically, there are two types of color blindness – congenital and acquired. The common causes of acquired color blindness are optic atrophy, intoxication of alcohol or tobacco, weakness of visual activity or other fundus diseases. Only congenital color blindness will be discussed in this chapter. Symptoms and Signs …