Something in her eye

[rbum]

My hen has something white in her eye and
Constantly opening her mouth. The whole flock just got their second dose of worming medicine Monday. What could be the problem in her eye?

 

[Shadrach]

My hen has something white in her eye and
Constantly opening her mouth. The whole flock just got their second dose of worming medicine Monday. What could be the problem in her eye?

It looks like the start of the foam one might see with mild Mycoplasma.
https://www.maine.gov/dacf/ahw/animal_health/documents/backyardpoultry/Mycoplasma Factsheet.pdf