Vision I

Which structure of the eye allows lights in?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Which structure of the eye provide refraction?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Which structure of the eye provide protection to the eye?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Which structure of the eye focuses light unto the retina?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Which structure is the light sensitive layer of cells at the back of the eye?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Which structure carries axons from the retina?

• Cornea

• Pupil

• Lens

• Retina

• Optic nerve

Where blood vessels originate and optic nerve exits?

What part of the optic disk has no blood vessels?

True or False.

Optic disk has photoreceptors.

• True

• False

Which structure is the central of vision?

• Cornea

• Pupil

• Lens

• Retina

• Macula