Sight - The Eye (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What is the main function of the cornea?
What is the main function of the cornea?
Allows light to enter the eye
What do rod cells in the retina detect?
What do rod cells in the retina detect?
Black and white
Why is the fovea the area of sharpest vision?
Why is the fovea the area of sharpest vision?
It contains only cones
What happens at the blind spot?
What happens at the blind spot?
No images are detected
How does the pupil respond to bright light?
How does the pupil respond to bright light?
It contracts
How does the pupil respond to dim light?
How does the pupil respond to dim light?
It dilates
What type of lens corrects long sight (hyperopia)?
What type of lens corrects long sight (hyperopia)?
Convex lens
What type of lens corrects short sight (myopia)?
What type of lens corrects short sight (myopia)?
Concave lens
What is accommodation?
What is accommodation?
Process of changing eye focus
What structures bend light to focus it onto the retina?
What structures bend light to focus it onto the retina?
Cornea and lens
What is the function of the choroid layer?
What is the function of the choroid layer?
Absorbs light to prevent reflection
How is the image formed on the retina?
How is the image formed on the retina?
Upside down
What carries impulses from the eye to the brain?
What carries impulses from the eye to the brain?
Optic nerve