I woke up thinking something (like sand ) was in my left eye causing a sharp pain, especially when I would blink,
It went away after a few hours of discomfort, but came back the next morning as soon as I opened my eyes. The same pain, and again nothing in my eye, and after a few hours, it went away again. But in the afternoon it returned suddenly, (the eye began to water profusely, but only for a few minutes). The pain lasted 3 hours but has now gone away again. The eye will feel normal, just as if the object were removed. I am sure nothing is in my eye. I'm afraid it will come back for a third day. Any Ideas?