You don't want to bathe them. Bathing a rabbit isn't usually recommended as it can be extremely stressful to some rabbits and that can cause them to panic and injure themselves, or the stress response can also make them ill. You could try using a clean, warm, damp cloth to clean the fur at the corner of the eye. Get that area of fur a little wet then let it sit for several minutes to give it a chance to soak in and soften up the fur so it's not hard and crusty, then you can try wiping it away. You could also try cleaning with sterile saline. If it persists, it may be blocked tear ducts, but with both having the problem, it is more likely conjunctivitis. In that case you would need ophthalmic antibiotics to get it cleared up.
