Eye Anatomy Quiz

What is the primary function of the pigment in the choroid layer?

• To enhance blood flow

• To prevent light from scattering

• To provide nutrients

• To support the retina

Which of the following is a function of rods in the retina?

• Detecting color

• Allowing peripheral vision

• Focusing on fine details

• Enhancing daylight vision

Which part of the retina is responsible for the sharpest vision?

• Optic disk

• Fovea centralis

• Peripheral retina

• Lens

Where is the aqueous humor reabsorbed?

• Into venous blood through the canal of Schlemm

• Into the optic nerve

• Into the vitreous body

• Into the sclera

What happens to the lens when focusing on distant objects?

• It thickens

• It flattens

• It becomes opaque

• It shrinks

What is the role of the lens in the eye?

• To detect color

• To focus light on the retina

• To protect the retina

• To produce tears

What is the primary function of photoreceptors in the retina?

• To transmit sound signals

• To detect light and convert it into neural signals

• To produce tears

• To regulate eye pressure

Which structure is directly connected to the photoreceptors of the retina?

• Optic chiasma

• Optic nerve

• Thalamus

• Occipital lobe

What is the significance of the fixation point in the visual pathway?

• It is where the optic nerve starts

• It is the point where light is focused on the retina

• It is the point where the optic nerve fibers cross

• It is the point where visual information is processed

What is the function of the thalamus in the visual pathway?

• To produce visual images

• To relay visual information to the occipital lobe

• To detect light

• To control eye movement