The pain was excruciating and for almost nine months, I was blind in my right eye. If your eye is deteriorating at a fast pace or u feel something is wrong, find your eye specialist right away. This is also, why older people get them more often, due to thinner skin than when they were younger. Results found an increase in pressure on average of between 1 and 2.6 mm Hg (millimetres of Mercury) after a necktie had been tightened around the subject's neck; while the increase for some subjects was as high as 4 mm Hg. provisine can improve your sight.