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

Which of the following is a symptom of AMD?

  1. Blurred vision

  2. Central vision loss

  3. Distorted vision

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blurred vision, central vision loss, and distorted vision are all symptoms of AMD.

Multiple choice

What is the treatment for AMD?

  1. Anti-VEGF injections

  2. Laser therapy

  3. Surgery

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Anti-VEGF injections, laser therapy, and surgery are all treatments for AMD.

Multiple choice

Which herb is traditionally used in India to treat eye infections?

  1. Triphala

  2. Rose water

  3. Aloe vera gel

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Triphala, rose water, and aloe vera gel are all commonly used in Indian folk medicine to treat eye infections and provide relief from eye irritation.

Multiple choice

Which of the following is a common cause of reduced lens resolution?

  1. Aberrations

  2. Diffraction

  3. Flare

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the above factors can contribute to reduced lens resolution. Aberrations are optical imperfections that can cause images to be blurry or distorted. Diffraction is the spreading out of light as it passes through an aperture, which can also cause images to be less sharp. Flare is the scattering of light within the lens, which can also reduce image sharpness.

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 a clouding of the lens that can lead to blindness if left untreated.

Multiple choice

What is the most common cause of blindness in children?

  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 also the most common cause of blindness in children.

Multiple choice

What is the most common cause of blindness in adults?

  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 most common cause of blindness in adults over the age of 50.

Multiple choice

What is the most common cause of blindness in people with diabetes?

  1. Cataracts

  2. Glaucoma

  3. Age-related macular degeneration

  4. Diabetic retinopathy

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Diabetic retinopathy is the most common cause of blindness in people with diabetes.

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.

Multiple choice

What is the most common treatment for glaucoma?

  1. Eye drops

  2. Laser surgery

  3. Trabeculectomy

  4. Iridotomy

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Eye drops are the most common treatment for glaucoma.

Multiple choice

What is the most common treatment for cataracts?

  1. Eye drops

  2. Laser surgery

  3. Phacoemulsification

  4. Extracapsular cataract extraction

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Phacoemulsification is the most common treatment for cataracts.

Multiple choice

What is the most common eye problem in infants?

  1. Conjunctivitis

  2. Strabismus

  3. Amblyopia

  4. Cataracts

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Conjunctivitis, also known as pink eye, is a common eye infection that causes redness, swelling, and discharge.

Multiple choice

What is strabismus?

  1. A condition in which the eyes are misaligned

  2. A condition in which the eyes are unable to focus

  3. A condition in which the eyes are unable to move

  4. A condition in which the eyes are unable to see

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Strabismus, also known as crossed eyes, is a condition in which the eyes are misaligned, causing them to look in different directions.

Multiple choice

What is amblyopia?

  1. A condition in which the eyes are unable to focus

  2. A condition in which the eyes are unable to move

  3. A condition in which the eyes are unable to see

  4. A condition in which the eyes are misaligned

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Amblyopia, also known as lazy eye, is a condition in which the eyes are unable to focus properly, causing one eye to become weaker than the other.

Multiple choice

What are cataracts?

  1. A clouding of the lens of the eye

  2. A clouding of the cornea of the eye

  3. A clouding of the retina of the eye

  4. A clouding of the optic nerve of the eye

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cataracts are a clouding of the lens of the eye, which can cause blurred vision, glare, and other problems.