The lense must be broken, that's what she Hope's for anyway.

Even the image is a Ditto!

I think I've read a sci-fi story with pretty much this plot

Timmaine said in comment #2516611:

Even the image is a Ditto!

Even she is. Look at the last panel, she's pink and dripping.

Aken_Bosch said in comment #2516842:

I think I've read a sci-fi story with pretty much this plot

I remember one like that where the guy, instead of seeing objects, see stuff like "WALL, 2 meters tall, used to provide shelter" and so on. The novel ends as he look at his reflection in the mirror.
"HUMAN, 1m55, used to detect programming bugs."