eyesight-quiz

Eyesight Quiz

by wreingerPublished: August 11, 2025

The human eye is a remarkable organ that allows us to perceive the world in vivid detail. This quiz will take you through the intricacies of vision, from the basic anatomy of the eye to the complexities of visual disorders and their treatments. Get ready to challenge your understanding and learn something new about one of our most vital senses. Good luck!
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Eyesight Quiz
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1. What part of the eye controls the amount of light that enters?
Think about the part that adjusts like a camera aperture.

Eyesight Quiz Questions Overview

1. What part of the eye controls the amount of light that enters?

Cornea
Iris
Lens
Retina

2. Which part of the eye focuses light onto the retina?

Cornea
Iris
Lens
Optic nerve

3. What is the function of rods in the retina?

Color vision
Peripheral vision
Night vision
Central vision

4. Which condition is characterized by an irregularly shaped cornea?

Myopia
Hyperopia
Astigmatism
Presbyopia

5. What is the most common cause of blindness worldwide?

Glaucoma
Cataracts
Macular degeneration
Diabetic retinopathy

6. Which vitamin is essential for good vision?

Vitamin A
Vitamin B
Vitamin C
Vitamin D

7. What is the term for the age-related loss of close-up focusing ability?

Myopia
Hyperopia
Astigmatism
Presbyopia

8. What is the name of the transparent layer covering the front of the eye?

Sclera
Iris
Cornea
Retina

9. Which part of the eye contains the photoreceptor cells?

Cornea
Lens
Retina
Optic nerve

10. What is the condition called when the eyes do not align properly?

Myopia
Strabismus
Astigmatism
Hyperopia

11. What is the function of the optic nerve?

Focus light
Control pupil size
Transmit visual information to the brain
Regulate eye pressure

12. Which condition is also known as nearsightedness?

Myopia
Hyperopia
Astigmatism
Presbyopia

13. What is the term for the colored part of the eye?

Cornea
Iris
Lens
Retina

14. Which part of the eye is responsible for sharp central vision?

Cornea
Macula
Lens
Optic nerve

15. What is the medical term for farsightedness?

Myopia
Hyperopia
Astigmatism
Presbyopia

16. What is the clear, gel-like substance that fills the inside of the eye?

Aqueous humor
Vitreous humor
Lens
Cornea

17. Which part of the eye adjusts its shape to focus on objects at different distances?

Cornea
Iris
Lens
Retina

18. What is the condition called when intraocular pressure is too high?

Cataracts
Glaucoma
Macular degeneration
Diabetic retinopathy

19. What is the term for the small, central part of the retina responsible for detailed vision?

Cornea
Macula
Lens
Optic nerve

20. Which eye condition is characterized by damage to the retina’s blood vessels due to diabetes?

Glaucoma
Cataracts
Macular degeneration
Diabetic retinopathy
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