oil leak over driver side visor just started

Either the line, fitting, or the latch for the convertible top are leaking. The leak is probably the latch. If the top will still function, you may be able to see the leak in the latch with a flash light. You will need to remove the visors and the trim around the area confirm and repair the problem. These components become delicate with age. I recommend having a professional repair this for you to ensure nothing is damaged. Here is a link to help you find a shop or dealership near you: http://repairpal.com/directory.