My iPhone front camera is blurry? - 1

The normal camera works fine but when I flip it it is blurry almost smudgelike and i can't take any pictures with it-when i press the button nothing happens. Then i have to restart the app so it would let me flip it back. It hasn't always been like this-it just happened. I'm not sure if this is a hardware or software issue- i have tried rebooting the app and the ipod itself but nothing changes
it doesn't appear to be damaged on the outside, but i don't know
thanks for any help!

to get an image idea: go to this one
My iPhone front camera is blurry - 1

basically it's like the image on the far left but it's a worse and i can't take pictures with it

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