Eye Basics

what is the function of the lacrimal apparatus

• Tear production and drainage

• Protects the eye from excess light

• Helps in eye movement

• Protects the eye from minute dust particles

Which of the following is not part of the lacrimal apparatus

• lacrimal glands

• puncta

• nasolacrimal duct

• Conjunctiva

Our tears form a nutritive layer at the front of the eye

• True

• False

Nutritive Layer is formed by

• Iris, choroid & Ciliary Body

• Sclera & Cornea

• Pigmented Layer

• Neuronal layer

Sensory layer is made up of

• Neuronal layer

• Pigmented layer

• Both

The conjunctiva is a thick , transparent mucous membrane which lines the outer surface of eyelids•

• True

• False

Which of following is not correct about Cornea

• Cornea is transparent part of eye which allows light to enter the eye.

• Continuous with the Choroid

• Outer surface epithelium protects from abrasions

• Inner surface epithelium, contains sodium pumps that help maintain clarity of cornea

Smooth white part of the eyeball is called as

• Choroid

• Cornea

• Sclera

• Iris

The middle vascular layer/ nutritive tunic has

• choroid,

• ciliary body

• Iris

• All

------lies between the sclera and the retina.

• Iris

• Choroid

• Pupil

• Conjunctiva