Ok I have 3 cats, one is 6 years old, one is 2 years old and the other one i have had for like 2 months and he is like 4 months old. My 2 year old cats third eyelid has been up since shortly after i got him when he was a kitten, i took him to the vet and had him tested for feline leukemia, it was negative. I did not have the money to have a complete blood test done but the vet said that if the cat was acting alright and eating fine then to not worry about it. That was about a year ago and still the cat acts fine but the third eyelid remains up about a third of the way. So i got a kitten about a month and a half ago and the other day i noticed that his third eyelid is up also, i do not have the money to take him to the vet, all my cats have had all their shots and the 2 with the weird eyelids act just like any other normal cat. If someone could please help me to understand what this might mean or has any suggestions please let me know. Thank you so much