One of the members of f(x), Krystal has got chosen to be a model of the contact lens brand called
'Bausch Lomb' and her ad photo is being an issue.

The netizens who have seen this ad photo, reacted as like 'Krystal's double eyelids look a bit awkward/weird',
'Too much of a photoshot?! haha', 'Did Krystal lose some weight recently? Her face looks emaciated' etc.