Hen's Eye Looks Disformed

[hannahrachel]

Hi, I've had my BLR Wyandotte hen for two years now, and only recently has this deformity evolved. I'm very worried that it may be a symptom of another illness. Can anyone tell me what this is? Thanks!

A comparison

Right eye

Left eye

 

[Eggcessive]

It may be a sign of ocular Mareks disease (the eye form.) Then again, if she has no other symptoms, and you have not had any deaths or paralyzed birds, it could just be something else affecting the eye. Here is some reading about eye disorders
https://www.google.com/webhp?source...1&espv=2&ie=UTF-8#q=eye disorders in chickens

The middle eye is normal, where the left and right eyes are Mareks disease

Miosis seen in Mareks disease