if you wear contact lenses you can use your saline solution to rinse his eyes out. if not, then plain water will be fine. there is nothing else that you should do besides keep it clean until you see your vet. it is very important that you do see the vet as eye problems can get bad quick and can also lead to permanent damage or blindness if left untreated for too long.
Our lives begin to end the day we become silent about things that matter.