JKR in Reader's Digest Dec 2000

[Scott]

No: HPFGUIDX 5530

She said
> something like... "Don't they know his glasses are the key to his
> vulnerability?"
> 
> Hmmmmm....

Well the most obvious explanation for something like this is that he 
can't see w/out his glasses (couldn't he get contacts though? Or 
magically fix his eyes? I mean if Hermione could change her teeth...)

Also maybe she was just mad that yet another group of Harry artists 
were gits who hadn't even read the books!  That is certainly possible!

Scott