Ocular Infections

Description: This quiz covers various aspects of ocular infections, including types, causes, symptoms, and treatment options.
Number of Questions: 15
Created by:
Tags: ocular infections ophthalmology infectious diseases
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Which of the following is NOT a common type of ocular infection?

  1. Conjunctivitis

  2. Keratitis

  3. Blepharitis

  4. Stye


Correct Option: D
Explanation:

A stye is a small, painful bump on the eyelid, typically caused by a bacterial infection. It is not considered a common type of ocular infection.

What is the most common cause of conjunctivitis?

  1. Bacteria

  2. Viruses

  3. Allergies

  4. Fungal Infection


Correct Option: B
Explanation:

Viral conjunctivitis is the most common type, accounting for approximately 80% of cases. It is highly contagious and can spread through contact with infected eyes or objects.

Which of the following symptoms is NOT associated with keratitis?

  1. Pain

  2. Redness

  3. Blurred Vision

  4. Itching


Correct Option: D
Explanation:

Itching is not a typical symptom of keratitis. Common symptoms include pain, redness, blurred vision, and sensitivity to light.

What is the primary treatment for bacterial conjunctivitis?

  1. Antibiotic Eye Drops

  2. Antiviral Eye Drops

  3. Warm Compresses

  4. Oral Antibiotics


Correct Option: A
Explanation:

Bacterial conjunctivitis is typically treated with antibiotic eye drops, which are effective in clearing the infection.

Which of the following is a risk factor for developing a stye?

  1. Poor Hygiene

  2. Contact Lens Use

  3. Blepharitis

  4. Dry Eye Syndrome


Correct Option: C
Explanation:

Blepharitis, a chronic inflammation of the eyelid margins, is a common risk factor for developing a stye.

What is the recommended treatment for viral conjunctivitis?

  1. Antibiotic Eye Drops

  2. Antiviral Eye Drops

  3. Cold Compresses

  4. Oral Antihistamines


Correct Option: C
Explanation:

Viral conjunctivitis is usually self-limiting and does not require specific treatment. Cold compresses can help relieve symptoms.

Which of the following is a potential complication of untreated keratitis?

  1. Corneal Scarring

  2. Cataracts

  3. Glaucoma

  4. Retinal Detachment


Correct Option: A
Explanation:

Untreated keratitis can lead to corneal scarring, which can impair vision and may require corneal transplantation.

What is the primary cause of blepharitis?

  1. Bacterial Infection

  2. Viral Infection

  3. Seborrheic Dermatitis

  4. Allergies


Correct Option: C
Explanation:

Seborrheic dermatitis, a skin condition characterized by red, scaly patches, is the most common cause of blepharitis.

Which of the following is NOT a symptom of uveitis?

  1. Floaters

  2. Blurred Vision

  3. Eye Pain

  4. Itching


Correct Option: D
Explanation:

Itching is not a typical symptom of uveitis. Common symptoms include floaters, blurred vision, eye pain, and sensitivity to light.

What is the primary treatment for fungal keratitis?

  1. Antibiotic Eye Drops

  2. Antifungal Eye Drops

  3. Oral Antifungal Medications

  4. Corneal Transplant


Correct Option: B
Explanation:

Fungal keratitis is typically treated with antifungal eye drops, which are effective in clearing the infection.

Which of the following is a risk factor for developing endophthalmitis?

  1. Eye Surgery

  2. Contact Lens Use

  3. Corneal Abrasion

  4. Dry Eye Syndrome


Correct Option: A
Explanation:

Eye surgery is a major risk factor for developing endophthalmitis, an infection of the inner eye.

What is the recommended treatment for acute hordeolum (stye)?

  1. Warm Compresses

  2. Antibiotic Eye Drops

  3. Oral Antibiotics

  4. Surgical Drainage


Correct Option: A
Explanation:

Warm compresses are the primary treatment for acute hordeolum. They help to reduce inflammation and promote drainage of the stye.

Which of the following is a potential complication of untreated uveitis?

  1. Cataracts

  2. Glaucoma

  3. Retinal Detachment

  4. Macular Degeneration


Correct Option: C
Explanation:

Untreated uveitis can lead to retinal detachment, a serious condition in which the retina separates from the underlying choroid.

What is the primary cause of infectious scleritis?

  1. Bacteria

  2. Viruses

  3. Fungi

  4. Parasites


Correct Option: A
Explanation:

Infectious scleritis is primarily caused by bacteria, with Staphylococcus aureus being the most common culprit.

Which of the following is NOT a symptom of endophthalmitis?

  1. Pain

  2. Redness

  3. Blurred Vision

  4. Itching


Correct Option: D
Explanation:

Itching is not a typical symptom of endophthalmitis. Common symptoms include pain, redness, blurred vision, and sensitivity to light.

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