is eating and drinking

We are newer chicken owners. We have a small backyard flock of (5) about 4 month old hens. Four days ago we went out to let our flock free range the backyard which we usually do every day/every other day and we found our leading lady (a Rainbow Dixie) laying underneath the coop unwilling to come...

Applying warm rag to it i have been doing It has not helped yet... She woke up like this yesterday. She Has an appetite plus drinking water, but alot of fatigue.. sleeping alot.. I have VET RX, IF THAT WOULD HELP ?? OPINIONS, PLEASE! MY FELLOW EGGGSPERTS :/ Photos below of both eyes. only...