Oh wow! This thread really hits home for me. Throughout my childhood and early adolescence, adults around me (other than immediate family) were making an inordinate number of comments about my eyes. In retrospect, the comments were generally neutral to semi-positive, but I found them extremely irritating, much like a attractive woman would feel about wolf-whistles. I could never understand why mature adults would be so fixated on a single body part. After all, what was it so wrong/bad/unusual/exciting about my eyes that all those adults commented on it so much. For a few months, I even went through a phase when I put my hand over eyes when meeting a new adult. I stopped doing that after a few months, after I realized it was getting even worse responses. And later on, fortunately, I grew past the age when my eyes were such a focus of attention.
One time, I actually responded back to someone's comments: "May I ask you something? ("yes") Is there a reason why you're focusing on one part of my body, instead of me as a person? Do you think I'm an object?" The person was so shocked by the way I framed her actions, that she ended up stammering and apologizing. (Mind you, I was 14 at the time.) My parents later scolded me a little, but left things at that, because even in their opinion, I didn't say anything that would be truly considered rude. In fact, I was originally going to say: "your statement bothers me; please don't say it again", but when I said it in the past, adults just laughed at me. (Using this phrase with peers was out of the question, and I already knew it by that age.)