Only in anime can so many characters (mostly girls) have eye injuries that require an eyepatch.
Not just ANY eyepatch, mind you, but some cheap piece of patterned-paper covered gauze with multiple strings which encircle the cheeks and forehead.
Come on, Japan. You have intricate outfits of every type & persuasion and realistic looking next gen interactive robots, but the cosmetics of your medical technology appears to be seriously lacking! Did the designer of mechanical eyeballs go on vacation and get replaced by a napkin manufacturer or what?