Cornea and its Pathology

Question 1

What is the transparent front part of the eye that covers the iris, pupil, and anterior chamber called?

Answer 1

Cornea

Question 2

True or False: The cornea is responsible for refracting light entering the eye.

Answer 2

True

Question 3

What is the main function of the cornea?

Answer 3

To focus light into the eye

Question 4

What is the most common cause of corneal blindness worldwide?

Answer 4

Trachoma

Question 5

Fill in the blank: The cornea is avascular, meaning it has no ________ vessels.

Answer 5

Blood

Question 6

Which layer of the cornea is responsible for its transparency?

Answer 6

Endothelium

Question 7

What is a common condition that causes the cornea to become cone-shaped and thin, resulting in distorted vision?

Answer 7

Keratoconus

Question 8

True or False: Corneal ulcers are always caused by infections.

Answer 8

False

Question 9

What is the medical term for inflammation of the cornea?

Answer 9

Keratitis

Question 10

Which layer of the cornea is composed of collagen fibers arranged in a specific pattern for strength and clarity?

Answer 10

Stroma

Question 11

What is the term for the surgical procedure to replace a damaged cornea with healthy corneal tissue from a donor?

Answer 11

Corneal transplant

Question 12

True or False: Contact lenses can cause corneal abrasions if not used properly.

Answer 12

True

Question 13

What is the name for the condition where the cornea becomes swollen due to excessive fluid buildup?

Answer 13

Corneal edema

Question 14

Fill in the blank: Fuchs’ ________ dystrophy is a genetic disorder that causes gradual vision loss due to corneal endothelial dysfunction.

Answer 14

Endothelial

Question 15

What is the name for the condition where the cornea becomes cloudy and hazy?

Answer 15

Corneal opacity

Question 16

True or False: Corneal dystrophies are usually caused by external trauma.

Answer 16

False

Question 17

What is the name for the condition where the cornea loses its normal curvature, resulting in blurred vision?

Answer 17

Astigmatism

Question 18

Fill in the blank: Photorefractive ________ is a surgical procedure that uses a laser to reshape the cornea and correct vision problems.

Answer 18

Keratectomy

Question 19

What is the term for the thinning of the cornea that can lead to a cone-shaped bulge?

Answer 19

Corneal ectasia

Question 20

True or False: Corneal infections are usually treated with antibiotic eye drops.

Answer 20

True

Question 21

What is the name for the condition where the cornea becomes inflamed due to an allergic reaction?

Answer 21

Allergic keratitis

Question 22

Fill in the blank: ________ membrane dystrophy is a common corneal disorder characterized by recurrent corneal erosions.

Answer 22

Epithelial

Question 23

What is the name for the condition where the cornea becomes scarred, affecting vision?

Answer 23

Corneal opacity

Question 24

True or False: Corneal dystrophies are usually hereditary.

Answer 24

True

Question 25

What is the name for the condition where the cornea becomes dry and inflamed?

Answer 25

Corneal ulcer

Question 26

Fill in the blank: Corneal ________ is a term used to describe clouding of the cornea due to various causes.

Answer 26

Opacity

Question 27

What is the term for the condition where the cornea becomes irregularly shaped, causing blurred vision?

Answer 27

Irregular astigmatism

Question 28

True or False: Corneal injuries can lead to corneal scarring.

Answer 28

True