Ask an Eye Doctor and Get an Answer ASAP
Yes, it is true that oral birth control can cause an increased chance of blood clots, especially if you smoke. These clots can form anywhere. While they can, of course, form in your eye, this is rare....the deep veins of the legs are much more common.
As far as the sisters retina problems, there are many, many forms of macular dystrophy that can occur in young people, some of them are genetic in nature, some are not. If you have not had any problems and are having annual exams by a good ophthalmologist or retina specialist I wouldn't worry at this point
Something must be on the blink with the chat system today. I see you are going in and out of the chat room but I can't see what you are typing. Let me change to Q&A format and see if that works better.....see you there.
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