Hello

This time of the year, it is likely allergies. Cold compress and allergy drops should help. Hope he feels better.

Crusty eyes in the morning are often caused by seborrhea on the scale and sometimes on the eyelashes. If you examine the scalp and she said MARIA then buying shampoo and use it daily and that should help

Allergic conjunctivitis is the most common cause. Occasionally, he can have a blocked tear duct but this is more common in a younger child. Sometimes bad sinusitis can cause drainage from the eyes. If it persists, he will need to be checked.