If the intraocular pressure (IOP) is still higher than normal after trabeculectomy, eye drops for lowering IOP will still need to be used. Trabeculectomy refers to making an opening at the edge of the corneal sclera and then removing the trabecular meshwork, thus unclogging the aqueous humor circulation channels and lowering the intraocular pressure; some patients who still have high intraocular pressure after trabeculectomy will need to use relevant intraocular pressure-lowering medications, such as brinzolamide to lower the intraocular pressure. Glaucoma surgery is only a means to reduce intraocular pressure, and the effect of lowering intraocular pressure after surgery is related to the structure of the individual’s eyes. Therefore, there is still a possibility that the intraocular pressure may still be too high after trabecular meshwork excision, and it is recommended that patients have their intraocular pressure rechecked on a regular basis after the surgery, and if it is still higher than normal, it is recommended that they use relevant medications to lower the intraocular pressure under the guidance of the doctor. If there are any symptoms of ocular discomfort, patients should go to the ophthalmology department of the hospital and consult an ophthalmologist for guidance.