retinaalisen
Retinaalinen is a Finnish adjective that translates to "retinal" in English. It is used to describe anything related to the retina, which is the light-sensitive tissue lining the back of the eye. This tissue contains photoreceptor cells, rods and cones, that convert light into electrical signals which are then transmitted to the brain, enabling vision.
Diseases or conditions affecting the retina are often described using the adjective retinaalinen. For example, "retinaalinen
The term can also appear in scientific or medical contexts when discussing research or anatomical descriptions.