hiya...dont panic..inform your reptile vet and get him/her booked in asap..just incase it will need looking at or antibiotic eye drops....can you post your viv temps, and what your feeding routien is including any supps and what bulbs you use and cleaning routien ect ...and waht viv and set up you use please..and poss a picture of your set up and the geckos condition...i will try to help you ok ...not a vet but have experiance with many reptiles including crestys:idea:. x