retinaalisia
Retinaalisia is a term that appears to be a misspelling or a non-standard term within common medical or scientific literature. It is highly probable that it refers to a condition or anatomical feature related to the retina, the light-sensitive tissue at the back of the eye. The most likely intended term is "retinal" or "retinitis."
If "retinaalisia" is meant to be "retinal," it is an adjective describing anything pertaining to the retina.
If "retinaalisia" is meant to be "retinitis," it is a medical term indicating inflammation of the retina.