Which of the following statements about the eyeball is false?
The adult human eyeball is nearly a spherical structure
The wall of the eyeball is composed of three layers
The middle layer, choroid, is thick over the posterior two-thirds of the eyeball
The inner layer is the retina and it contains three layers of neural cells from inside to outside– ganglion cells, bipolar cells and photoreceptor cells.
According to the given text, the middle layer of the eyeball is called the vascular coat or uvea, which includes the choroid layer. The choroid layer is thin over the posterior two-thirds of the eyeball, but it becomes thick in the anterior part to form the ciliary body.
Option c is the correct answer.