The cost of cataract surgery spans a wide range of prices, from 4,000 to 30,000 RMB. The main difference in price is reflected in the brand type of IOL implanted and the way of surgery: i. The difference in price between a rigid IOL and a folded IOL is several thousand dollars. Second, the difference in price between single-focal IOL and multi-focal IOL or tri-focal IOL is tens of thousands of RMB. Third, the price difference between extracapsular cataract surgery and ultrasound emulsion surgery, or laser-assisted ultrasound emulsion surgery, is nearly ten thousand dollars. The cost of cataract surgery varies in different provinces and hospitals of different levels.