Chickens with white on pupils

[organichens]

How old is your hen? Unless it's genetic, check and see if there is debris in her eyes and flush with saline solution. Check her eyes for possible eyeworm, use a magnifying glass so you can see them. Here's what ocular marek's looks like:

hi, can you help me? my chicken's eyes the black part (i think it is pupil) it is dilated to the edge, do you think it is mareks? from your pictures shows different. she doenst drink, doenst eat, eyes are always closed, hard to stand up, shake head sometimes. thank you

 

[BigBlueHen53]

As always, pictures help.