I want to remove my conjunctival nevus?

A while ago I notice my conjunctival nevus, which i've had for a while was growing. it grew over my iris, which it never used to do and now I keep seeing this brown haze when I look at things which I suspect is the nevus having grown over my pupil. Is this possible? I first wanted to get it removed for cosmetic reason, it makes my one iris look larger than the other (brown nevus over brown iris) and that makes me look like I have squint eyes. but it seemed too much trouble so I left it alone now that it seems to have creeped over my pupil, I'm getting a little worried. is there any ophthalmologist who can help. the one I see is incredibly mean and unhelpful.