Search
-
- Glossary
Iris
The (German) name "rainbow membrane" refers to the pigment coloration of the iris. Its size changes depending on the brightness of the surroundings, and with it the size of the pupil.
-
- Glossary
Eyeball layers
The layers of the eye form the wall of the eyeball. They can be roughly divided into three areas: the outer membrane with the cornea and sclera, the middle membrane with the iris, choroid, and ciliary body, and the inner membrane with the photoreceptive and blind parts of the retina.
-
- Glossary
Pupil
The opening in the eye through which light enters. The size of the pupil is determined by the iris and changes reflexively (pupillary reflex). This process of adjusting to the brightness of the environment is called adaptation.
-
- Diseases
- Multiple sclerosis
Baby or not?
MS is not an insurmountable obstacle to pregnancy, says Dr. Kerstin Hellwig.
08.07.2025
-
- Page
Glossary
15.03.2017
