Normally cataracts surgery won't cause the increasing of intraocular pressure, but on the contrary, it can lower the pressure. Cataracts and glaucoma are said be comorbiditis. Glaucoma is caused by high intraocular pressure which can kill optic nerve ends. Cataract and glaucoma are the leading no.1 and no.2 blindness causes. There many resources studying on the result of cataracts tends to show that in most cases, intraocular pressure is sustainable decreased. Nowadays the technology is advanced, and the success rate of cataracts surgery is quite high, yet there are still some possible complications to be expected. However you need not to worry too much, because many cases of complication are mild, and the symptoms will clear out in days without treatment or can be treated easily. Only 3% patient might develop serious uncommon serious complications. I know someone also complained about the increased intraocular, yet it got back to normal without special treatment. If you do feel something is wrong with your eyes, just consult your oculist at your earliest
