I have recently noticed that when I first wake up my right eye, in which I have been dianosed with early stage dry macular degeneration, feels swollen and difficult to keep open. As I get my day going, the feeling quickly subsides.Now in the last few days, I have noticed that same feeling and difficulty when I am very tired. There is no appearence of swelling, no itching, only the feeling of being swollen and the difficulty to open, or keep open, the eye