I Have Aortic Stenosis Which Is Being Monitered Last Week

I have aortic stenosis which is being Monitered last week I had a bleed from the pupil to the iris which gave me blurred vision was seen by out of hours Dr who rang hospital they saw me 8hors later and was told there is nothing wrong. Then had a phone call from eye dr at hospital telling me I have to go to stroke clinic tomorrow five days later, I have had this before when I was taking aspirin which was change to clopidigrel and would like some advice please.