After cataract surgery, if there is slight discomfort and foreign body sensation, no special treatment is needed and it will be relieved by itself after a few hours. If there is obvious pain, foreign body sensation, tearing, then you should go to the hospital for treatment, there are about two kinds of cases, as follows: 1, transient elevated intraocular pressure: this time, we have to lower the intraocular pressure treatment, you can use intraocular pressure-lowering drops, oral intraocular pressure-lowering medication, static drops of mannitol, and sometimes you need to release the fluid from the anterior chamber, depending on the intraocular pressure; 2, before the operation, during the surgery, the eye washings make the ocular surface to produce damage, so this case often give some pain, foreign body sensation, and the eye will be relieved after a few hours. So after the anesthesia will feel eye pain, foreign body sensation, this situation will often give some nutritional ointment for the eye surface to cover, after a few hours the symptoms will also be relieved. Therefore, if you have serious pain after cataract surgery, you should go to the hospital for treatment.