eye problem

Hi has anyone seen these white patches on a guinea pigs eye before, I have taken him to the vets and they said they are not sure what it is. I am abit worried as my frankie now has it on the other eye now Aswell can anyone help please

Hi everyone a little bit of advice is needed from you experts. Our 10 week old boar has a poorly eye. Bought them Sunday tea time. Left eye on Tue night started to look like it was closing a little. No discharge other wise the eye looks fine. In himself he is fine, eating drinking, chatting...