Which procedure would tighten my lower eyelid? (photos)

You are a handsome man. I understand your concerns and the math you have quoted. My advice would be to enjoy your individuality. You have a lot to be happy with. Don't create a problem or undergo significantly risky procedures to change your infraorbital distance.

All people have facial asymmetry. There’s no surgical intervention needed for normal asymmetry. During embryological development, the two sides of the face develop independently from each other. A lot of the baseline asymmetry is based on skeletal structure. The fold in the upper eyelid can be a...

It does look like you have eyelid ptosis but given your other concerns, esp the double vision in one eye, I would strongly strongly recommend you consult with an ophthalmologist (eye specialist) because you should not have double vision with ptosis so it may be more than just that and could be...