Biology ยท Physics

Vision Defects and Eye Conditions

1,088 Questions

Vision defects and eye conditions questions focus on common visual impairments like myopia, cataracts, and glaucoma. These topics are regularly tested in the general science sections of competitive exams. Solve these questions to learn about optical defects and treatments.

Myopia and hypermetropiaCataracts and risk factorsGlaucoma treatmentsEye infection typesArtificial tears

Vision Defects and Eye Conditions Questions

Multiple choice

What is the most common type of childhood glaucoma?

  1. Primary congenital glaucoma

  2. Juvenile open-angle glaucoma

  3. Secondary glaucoma

  4. Neovascular glaucoma
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Primary congenital glaucoma is the most common type of childhood glaucoma.

Multiple choice

Which of the following is a symptom of amblyopia (lazy eye)?

  1. Poor vision in one eye

  2. Crossed eyes

  3. Head tilting

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Poor vision in one eye is the primary symptom of amblyopia.

Multiple choice

What is the recommended treatment for strabismus?

  1. Eyeglasses or contact lenses

  2. Eye muscle surgery

  3. Vision therapy

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Eyeglasses or contact lenses, eye muscle surgery, and vision therapy can all be used to treat strabismus.

Multiple choice

Which of the following is a common cause of childhood vision loss?

  1. Retinoblastoma

  2. Coats' disease

  3. Norrie disease

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Retinoblastoma, Coats' disease, and Norrie disease are all common causes of childhood vision loss.

Multiple choice

What is the most common eye exam?

  1. Visual acuity test

  2. Slit lamp examination

  3. Fundus examination

  4. Tonometry
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The visual acuity test is the most common eye exam. It measures how well you can see letters and numbers at different distances.

Multiple choice

What is tonometry?

  1. A test that measures the pressure inside the eye

  2. A test that examines the front of the eye

  3. A test that examines the back of the eye

  4. A test that measures the curvature of the cornea
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tonometry is a test that measures the pressure inside the eye. It is used to diagnose and monitor glaucoma.

Multiple choice

What is the most common cause of blindness worldwide?

  1. Cataracts

  2. Glaucoma

  3. Age-related macular degeneration

  4. Diabetic retinopathy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cataracts are the most common cause of blindness worldwide. They are a clouding of the lens of the eye.

Multiple choice

What is the leading cause of blindness in the United States?

  1. Cataracts

  2. Glaucoma

  3. Age-related macular degeneration

  4. Diabetic retinopathy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Age-related macular degeneration is the leading cause of blindness in the United States. It is a disease that affects the macula, which is the part of the retina responsible for central vision.

Multiple choice

What is the most common type of glaucoma?

  1. Open-angle glaucoma

  2. Closed-angle glaucoma

  3. Normal-tension glaucoma

  4. Pigmentary glaucoma
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Open-angle glaucoma is the most common type of glaucoma. It is a chronic condition that damages the optic nerve, which is responsible for sending signals from the eye to the brain.

Multiple choice

What is the treatment for cataracts?

  1. Surgery

  2. Medication

  3. Laser therapy

  4. Eye drops
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Surgery is the only treatment for cataracts. During surgery, the cloudy lens is removed and replaced with a clear artificial lens.

Multiple choice

What is the treatment for glaucoma?

  1. Surgery

  2. Medication

  3. Laser therapy

  4. Eye drops
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Medication is the most common treatment for glaucoma. Eye drops are used to lower the pressure inside the eye.

Multiple choice

What is the treatment for age-related macular degeneration?

  1. Surgery

  2. Medication

  3. Laser therapy

  4. Eye drops
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Laser therapy is the most common treatment for age-related macular degeneration. It is used to destroy abnormal blood vessels in the retina.

Multiple choice

What is the treatment for diabetic retinopathy?

  1. Surgery

  2. Medication

  3. Laser therapy

  4. Eye drops
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Laser therapy is the most common treatment for diabetic retinopathy. It is used to destroy abnormal blood vessels in the retina.

Multiple choice

What is the best way to prevent eye problems?

  1. Get regular eye exams

  2. Wear sunglasses

  3. Eat a healthy diet

  4. Exercise regularly
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The best way to prevent eye problems is to get regular eye exams. Eye exams can help detect eye problems early, when they are easier to treat.

Multiple choice

What are some signs that you need to see an eye doctor?

  1. Blurred vision

  2. Floaters

  3. Flashes of light

  4. Pain in the eye
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

If you experience any of these symptoms, you should see an eye doctor right away. These symptoms can be a sign of a serious eye problem.