Teddy probably has conjunctivitis. Do you have any Terramycin on hand? It's a staple in a good first aid kit.
Terramycin for Infections in Dogs Cats Cattle Sheep and Horses
If not, he needs to see a vet. Dry eye can also look like conjunctivitis so you want to get it checked out quickly. Both conjunctivitis and dry eye are very uncomfortable.