Red Eye

Question 1

Most common cause of red eye?

Answer 1

Conjunctivitis

Question 2

What are the three main causes of conjunctivitis?

Answer 2

1. Viral
2. Bacterial
3. Allergic

Question 3

Four common symptoms of conjunctivitis?

Answer 3

1. Red eye
2. Grittiness
3. Discharge
4. Discomfort (NOT PAIN)

Question 4

Type of discharge in viral conjunctivitis?

Answer 4

Watery and stringy

Question 5

Type of discharge in bacterial conjunctivitis?

Answer 5

Purulent and sticky

Question 6

Type of discharge in allergic conjunctivitis?

Answer 6

Watery and associated with itching

Question 7

Most common causative organism in viral conjunctivitis?

Answer 7

Adenovirus

Question 8

Most common causative organism in bacterial conjunctivitis?

Answer 8

Staph species

Question 9

Three risk factors for conjunctivitis?

Answer 9

1. Recent illness, especially URTI
2. Contact with others who have conjunctivitis
3. Foreign body

Question 10

Three treatments of conjunctivitis?

Answer 10

1. Allow it to play itself out
2. Topical chloramphenicol (bacterial)
3. Topical antihistamines (allergic)

Question 11

What are the two most common causes of corneal ulcers?

Answer 11

1. Foreign body

2. Infection (herpes, etc.)

Question 12

Four symptoms of corneal ulcer that do not affect vision?

Answer 12

1. Red eye
2. Pain (especially on blinking)
3. Watering eye
4. Foreign body sensation

Question 13

Two symptoms of corneal ulcers that affect vision?

Answer 13

1. Blurred vision

2. Photophobia

Question 14

One sign of cornela ulcer?

Answer 14

Defect seen with fluorescein dye

Question 15

Two treatments of small corneal ulcers?

Answer 15

1. Allow it to resolve (occasionally with anaesthetic drops)

2. Topical antibiotics/antivirals (chloramphenicol, aciclovir, etc.)

Question 16

One additional treatment of large corneal ulcers?

Answer 16

Patches over eye

Question 17

Which three structures make up the uvea?

Answer 17

1. Iris
2. Ciliary body
3. Choroid

Question 18

Which age group is uveitis most common in?

Answer 18

29-60 yrs

Question 19

Two symptoms of uveitis that do not affect vision?

Answer 19

1. Redness (usually unilateral)

2. Pain

Question 20

Four symptoms of uveitis that affect vision?

Answer 20

1. Photophobia
2. Blurred vision
3. Progressive vision loss
4. Floaters

Question 21

Four signs of uveitis?

Answer 21

1. Reduced visual acuity
2. Abnormally shaped pupil (adhesions)
3. Cells seen in aqueous humour
4. Lesions in choroid

Question 22

Three treatments of uveitis?

Answer 22

1. Cyclopentolate (paralyses ciliary body)
2. Topical steroids (prevents pupil adhesions)
3. Underlying cause (Immunosuppressants, antibiotics, etc.)

Question 23

What is ectropion?

Answer 23

Lower eyelid drooping away from the eye

Question 24

Two symptoms of ectropion?

Answer 24

1. Dry eyes

2. Excessive tearing

Question 25

What is entropion?

Answer 25

Eyelid folded towards eye

Question 26

Three symptoms of entropion?

Answer 26

1. Red eye
2. Foreign body sensation
3. Scratchy pain

Question 27

What two things can entropion lead to ?

Answer 27

1. Corneal abrasions

2. Corneal ulcers

Question 28

How are both entropion and ectropion treated?

Answer 28

Surgery to reset the eyelid

Question 29

What is blepharitis?

Answer 29

Inflammation of the eyelids

Question 30

Four symptoms of blepharitis?

Answer 30

1. Painful eyelids
2. Foreign body sensation
3. Sticky discharge
4. Dandruff flakes on eyelashes

Question 31

Two signs of blepharitis?

Answer 31

1. Telangiectasia

2. Erythema

Question 32

Two treatments of blepharitis?

Answer 32

1. Warm compress and cleaning

2. Topical Abx