If you develop sudden loss of vision in one or both eyes, then it may be due to development of a macular hole on the retina. An overdose of prednisone can be fatal, so precautions must be taken while administering this drug. The number of people losing their eyesight due to this condition is on the rise. Glaucoma is a disease which affects the eye by lowering the pressure inside it and could lead to blindness. Excessive consumption of alcohol or tobacco, blocked or limited blood flow to the eyes, meningitis, sinusitis, or encephalitis may destroy the protective nerve coverings and affect the nerve function. Causes of Blurred Vision in One Eye Blurred vision results when the path of light between cornea and retina gets disturbed due to some reason. Swollen eyelid is an indication of some type of infection and can be accompanied by a slight discharge from the corner of the eye. It may also vary according to the part of the nerve which is damaged, and how much it is damaged.
One of the simplest way is described here. In this infection, bacteria called Staphylococcus aureus enter the cavities of the eye, via a sinus infection or chinese acupuncture trauma to the eye region. Average GOP is 15.5 mm Hg; however, it is not constant.