Hello doctors, I have had problems with my left eye (only left!) for about 4/5 months now. It starts to get red from the right side of the iris (the inner side), then usually gets completely red. This lasts for 2/3 days, then it gets better. Then the week after, it starts again. I have been to my GP three times now, and he keeps prescribing me anitbiotic eye creams/drops or tear-like eye drops. Obviously this is not working, but he says there is nothing else to do and it is probably a tear duct problem. When the eye is red, it feels a little stingy, and it also irritates when I touch my eyelid. I have had a bump removed from the same eyelid a little over a year ago. It was cut away from the inside. Do you have any idea what is causing this redness, and how to cure it? I would be very grateful!