Here is some information of fowl pox and vaccines for those not yet exposed:
https://the-chicken-chick.com/fowl-pox-prevention-treatmen/
http://extension.msstate.edu/publications/fowl-pox-backyard-flocks
It is best to try not to disturb the fowl pox scabs around eyes, since those scabs are infectious, and the virus can be spread more by messing with them. You can put a dab of antibiotic ointment or saline in the eyes to prevent infection. Fowl pox usually clears up in about a month.
Do you have any pictures? If scabs are near eyes, you can use either Terramycin eye ointment or plain Neosporin ointment or Triple Antibiotic Ointment twice a day in the eye. That helps to prevent a secondary infection in the eye. It is best to not disturb scabs of pox, since that can spread the...