External parts of the eye
What is the name of the part of the eye that helps protect it like a shield and keeps dust and dirt away?
What is the eyelid?
Light travels through the eye and forms an image on the back of the eye. What is the name of this light-sensitive part where the image is formed?
What is the retina?
This clear covering on the front of the eye helps to focus light onto the back of the eye. What is it called?
What is the cornea?
The brain helps us make sense of the images we see. Which part of the body sends signals to the brain about what we see?
What are the optic nerves?
What is the circular, colored part of the eye called, which can be blue, brown, green, or other colors?
What is the iris?
When we look at an object up close, our eye muscles adjust the shape of this part of the eye. What is it?
What is the lens?
This part of the eye is the dark, round opening in the center of the iris. What is it called?
What is the pupil?
What is the term for the ability of the eye to adjust and focus on objects at different distances?
What is accommodation?
Which external part of the eye helps produce tears to keep the eye moist and clean?
What are tear glands or lacrimal glands?
In a dark room, the pupils get larger to let in more light. What is this adjustment of the pupils called?
What is dilation?