I have a 16 week old Olive egger. I noticed a few weeks ago, she was closing one eye, but didn’t think much of it, as she was acting normal. In the last week, she started closing both eyes and more frequently, still eating, drinking and foraging. Yesterday, she didn’t exit the coop in the morning and I found her still in the perch, seemingly unable to open her eyes. I put terramycin on both eyes and she eventually came out on her own. This morning, I found her the same way, but today, she was very lethargic and didn’t eat or drink on her own. I started Corid yesterday because I did witness a watery poop from her. I’ve noticed no symptoms that would indicate respiratory infection. All other chickens are seemingly fine.