Which muscles are present in the structure of the iris?

  • A
    Smooth muscles
  • B
    Striated muscles
  • C
    Cardiac muscles
  • D
    All of the above

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The choroid is thin over the posterior two-thirds of the eyeball,but it becomes thick in the anterior part to form the:

In the blind spot where the optic nerves leave the eye,

The point in the eye of mammals from which optic nerves and blood vessels leave the eyeball is known as:

Identify the correct sequence of cells in the retina from the outside to the inside.

The rods and cones of the eye retinal layer are modified:

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