What part of the eye is coloured?
Iris
What do both the Cornea and Lens do?
Sharpen and focus the light
cataracts, misshaped lens or eyeball (needing glasses), parasite (worm), cancer, glaucoma, diabetes, problems with brain interpretation of signals
What parts of the eye protects the iris and pupil?
eyelids and Cornea
What happens if the cornea or lens is damaged?
Your vision gets blurry
What is the pupil made of?
The pupil is a hole
What does the Iris do?
It controls how wide the pupil is.
If you don't want to wear glasses or contacts, what else can you do to correct your vision?
have surgery to reshape your lens
Is color blindness more common in males or females?
males
What part of the eye turns light into electrical signals?
Retina
What do glasses act as a replacement of
They act as a replacement for the cornea or lens
What do some blind people do to create a mental image of their surroundings?
echolocate
What part of the eye transmits signals to the brain?
Optic Nerve
What is it called when an animal's cornea becomes cloudy due most often to old age?
cataract
What is the main difference between human eyes and those of animals needing to see in the dark?
tapetum