The main form of cataract treatment for 70 year olds is surgery, which can cost between $4,000 and $15,000, depending on the patient’s condition and the hospital’s pricing. Currently the main effective treatment for cataracts is to surgically absorb the aged lens by emulsification and then replace it with an IOL. The cost of surgery is divided into two parts: the cost of surgical operation is around $3,000 to $5,000, and the cost of IOL is divided into monofocal lens and multifocal lens, the price of which ranges from $1,000 to $10,000, so the cost of surgery ranges from $4,000 to $15,000. It is recommended that cataract patients should consult the doctor in time to assess their condition and follow the doctor’s instructions to choose the appropriate treatment.