Chapter 17 - Pathology The Eye

Question 1

Cataract

Answer 1

Clouding of the lens, causing decreased vision. It is a degenerative eye disease and linked with process of aging.

Question 2

Chalazion

Answer 2

Small, hard, cystic mass (granuloma) on the eyelid.

Question 3

Diabetic retinopathy

Answer 3

1. Disease of the retina due to diabetes
2. Symptoms: microaneurysms, hemorrhages, dilation of retinal veins, and neovascularization (new and abnormal blood vessels form in the brain).

Question 4

Glaucoma

Answer 4

Increased intraocular pressure results in damage to the retina and optic nerve with loss of vision.

Question 5

Hordeolum (stye or sty)

Answer 5

Inflammation of an sebaceous oil-secreting gland in the eyelid caused by staphylococcal infection. It is also filled with purulent (pus)

Question 6

Macular degeneration

Answer 6

1. Progressive damage to the macula of the retina
2. Loss of vision because retina is deteriorating
3. Also the main reason for loss of central vision!

Question 7

Nystagmus

Answer 7

Repetitive rhythmic movements of one or both eyes

Question 8

Retinal detachment

Answer 8

Two layers of retina separate from each other

Question 9

Strabismus

Answer 9

Abnormal deviation of the eye. Eyes fail to look in the same direction because of weakness of a muscle controlling the position of one eye.