Is she acting sick at all?
I see something like a possible peck/injury (tiny) to the upper eye lid.
Her stance looks good, eyes clear.
Poop is a bit mucousy, but hard to know about that. See what the fecal float results are.
Vent looks like that of a hen in production to me. Is she having...
Sorry for your loss.
What were the results of the fecal float?
Photos of the current hen you are concerned about - hen, poop, eyes, etc.?
Check this hen's crop to make sure it's emptying overnight. Look her over for lice/mites.