First, you must choose the best time for your cataract surgery if you want to enjoy the perfect cataract surgery. If you do it too early, you will lose the function of auto-focus of your eyes too early; if you do it too late, you may face the risk of inducing acute angle-closure glaucoma, which is not only painful, but also will face greater surgical risks. Secondly, you have to choose the right hospital if you want to enjoy a perfect cataract surgery. Many hospitals can do cataract surgery, but the level of cataract surgery varies greatly from hospital to hospital. Before choosing a hospital, you should do your homework and ask your friends who have just had cataract surgery about which hospital is good. One of the criteria to measure how well a hospital does cataract surgery is that the hospital has at least a thousand cataract surgeries a year or can do more than a dozen cataract surgeries a day, which means that the hospital has a lot of eye surgeries, the whole process is very mature, the quality of the cataract surgery team is also very good, and the surgical equipment will also be very good. Of course it is better to be a Grade IIIA hospital. Third, you want to enjoy perfect cataract surgery, your choose experienced and superbly skilled cataract surgery experts, experts with at least 10 years of experience in cataract ultrasound emulsion surgery, preferably with 10,000 cataract surgery experience. Fourth, you want to enjoy a perfect cataract surgery, the best preoperative examination is to use IOLmaster to measure the IOL degree set, because this is to measure the length of the eye with laser, the measured degree is only very accurate, the postoperative vision is only good and the hand is only perfect. Moreover, the measurement process does not touch the eye, so it is painless. The most important thing is that the measurement is very good and accurate, so the chief surgeon can evaluate the final IOL implantation according to the measured prescription and your eye habits, so as to meet your post-surgery eye requirements. Fifth, you must choose advanced cataract ultrasound emulsification surgery and the most advanced cataract ultrasound emulsification equipment if you want to enjoy a perfect cataract surgery. Nowadays, the cataract ultrasound emulsion surgery equipment in tertiary hospitals is very advanced. To enjoy a perfect cataract surgery, you must choose the most suitable folding IOL for you. The more expensive IOLs are not the better. Multifocal IOLs are expensive, but some people may not adapt to them.