I would use something in his eyes twice a day to help prevent infection and possible blindness. Terramycin eye ointment, bacitracin or plain neosporin, or Vetericyn eye wash or gel are all good. Pox is a virus, but bacterial infections can be common in the eyes. Good luck on his full recovery.
He has also been fighting me a lot more when i put his ointment on now that he feels better. And much more vocal lol