schlera
choroid
The opaque middle layer of the eyeball is referred to as the choroid. The structure is made up of a total of four layers.
the pupil
choroid
choroid
choroid
The thin clear layer that forms the outer coat of the eyeball is called the cornea.
This is the middle layer of the eyeball and it is composed of the choroid, ciliary body and iris.
The middle layer of the ocean is called the thermocline.
sclera.outer most layer of eye ball.it is the tough layer. it provides firmness to eyeball.
Rods and cones are inside a layer of the eyeball called the retina.
Vascular Coat or Uvea is the middle part of the wall of the eye. Uvea has a rich supply of blood vessels that provides nutrients of the eye.
the cornea