眼晶状体浑浊称为白内障 ,其症状为进行性视功能下降。■　白内障发病率随着年龄的增加而增高 ,研究表明 ,白内障是迫切需要治疗的老年疾患之一。■　是否需要手术依赖于视功能水平和生活质量 ,而不仅是视力。■　白内障手术是非常有效益的手术 ,它能使 80 %～ 95 %的病人提高 Ocular lens turbidity is called cataracts, the symptoms of progressive visual decline. ■ The incidence of cataracts increases with age. Studies have shown that cataracts are one of the most prevalent conditions requiring treatment. ■ The need for surgery depends on visual function and quality of life, not just vision. ■ Cataract Surgery is a very cost effective procedure that can improve 80% to 95% of patients