Presbyopia over 40 years by 10 degrees

(Central News Agency reporter Chen Qingfang Taipei 5 (Xinhua)) Mackay Memorial Hospital physician Zhenghui Chuan said that more than 40 years of age, gradually will presbyopia, the degree of from about 100 degrees by 10 degrees in the beginning, reading glasses to adjust the best 3 to 5 years degree, a pair used in the end, the old eyes more to spend. Zhenghui Chuan said, presbyopia usually occurs in 40 to 50 years old, 45-year-old Taiwanese population 877 million, accounting for Taiwan's total population ...Presbyopia over 40 years by 10 degrees