i bought a two month old pac man frog and he has what looks like an eye infection and i want to know is their any cure for it he is current ly in a small 5 gallon with half of the cage shallow water and the other half dry land i placed rock from an fish tank they are brand new i rinsed them till the water was clear and even then rinsed them fro about 10 more mins he has eatin about 4 crikets a day he seems fine but he has a messed up eye his eyes were fine when i bought him but now after 5 days from the purchase date one of his eyes seem to be infected how should this be treated is their any store meds i can buy or any meds from the internet cause i cant afford to take him to a vet right now.