[Effect of preoperative intraocular pressure on the course of cataract extraction].

The connection between the values of the intraocular pressure before cataract surgery and the number of intraoperative complications was checked. It was established that the preoperative hypotony improves in an essential manner the operative conditions and influences favourably the decrease of the number of complications in the course the surgery. It was confirmed that the manual massage of the eye is equally efficient and less influencing generally the patient than the pharmaceutical lowering of the IOP.