Anatomy & Physiology of Vision Quiz

Which layer of the eye contains blood vessels and pigment cells?

• Retina

• Sclera

• Choroid

• Cornea

What is the function of the lens in the eye?

• Convert light to electrical signals

• Focus light onto the retina

• Produce aqueous humor

• Maintain eye pressure

Which photoreceptors are responsible for color vision?

• Rods

• Cones

• Ganglion cells

• Bipolar cells

The blind spot is located at the:

• Macula

• Fovea centralis

• Optic disc

• Lens

Which part of the retina provides the sharpest vision?

• Peripheral retina

• Macula

• Optic disc

• Vitreous humor

The first structure that light passes through in the eye is the:

• Lens

• Cornea

• Vitreous body

• Retina

Which muscle controls the shape of the lens?

• Ciliary muscle

• Orbicularis oculi

• Levator palpebrae

• Superior rectus

Accommodation refers to the eye’s ability to:

• Adapt to darkness

• Move in all directions

• Focus on near objects

• Adjust pupil size

Which structure secretes aqueous humor?

• Retina

• Iris

• Ciliary body

• Lacrimal gland

Rods are most sensitive to:

• Dim light

• Bright light

• Red color

• Fine details