Cornea

What is the principle function of Cornea?

• provide the bulk refractive error of the eye

• to maintain the shape of the eye ball

• to control light from entering the eye

• to be able scatter light

Cornea is vascular. True or False

• True

• False

which part of the cornea is thicker?

• centre

• periphery

• peri central

What is the refractive index of cornea

• 1.374

• 1.375

• 1.376

• 1.377

cornea is described as having how many layers?

• 1

• 3

• 5

• 7

which of the following are NOT a part of cornea epithelium

• Wing cell layer

• Basal cell layer

• surface layer

• Bowmans layer

Basal cell layers are anchored to the basement membrane by

• mitochondria

• desmosomes

• hemidesmosome

• filaments

which cell layer forms the bulk of corneal epithelium?

• basal layer

• wing cell layer

• surface cell layer

• basement layer

What is the function of microvilli found on surface cell layers?

• to trap dust from tears

• to stabilize the tear layer

• to defend against foreign body

• to get a better grip

Which of the following layer can you find mitochondria?

• basal cell layer

• wing cell layer

• tear layer

• surface layer