You can use double eyelid tape to stick it on for half a year and you will have double eyelids, otherwise you need to have a minor cosmetic surgery. My boyfriend has red eyes, but he is quite handsome, so I use eye patches for him. If he finds it troublesome, he won't do it anymore, but his eyes don't look obvious
Characteristics of mouse eyes
Rats' eyes are small and round, and they are dark. They like to nod while watching things.
Mouse-eye character
T