How the eye works
What part of the eye moves depending on how much light is entering
Iris
Double points
What is the most common eye colour
Brown
Green is the rarest eye colour
True or false
False
Which part of the eye makes it so you can see sharp details
Fovea
What animal did we compare the eye too
Mantis shrimp
What slowly deteriates over time in the human eye
Lens
How many times does the average human being blink a year
4 200 000, per year
Your eyes stay the same size throughout your whole life.
True or False
True
Double points
How many nerve fibers are in the optic nerve
About 1 million
Double points
What types of animals hold the rhabdom within there eyes
Insects,crustacean, millipedes
what is the purpose of the cornea
To focus and carry light through the iris
how many different eye couler variations are there
about 10 Million
Double points
Pirates wore earings because they beleived it improved there eyesight
True or False
True
what part of the eye contains a dark colour and is located in the middle of your iris.
The pupil
what part of the eye does both the mantis shrimp and human being contain
The optic nerve
which part of the eye is connected directly to the brain
Optic nerve
The iris can change colour due to the amount of ______ in the eye
Melanin
The retina is not located at the back of your eye
True or false
False
Which part of the eye transmits light in to your eyes
Cornea
Double points
Which part of the eye does the mantis shrimp have that we dont have
crystalline cone, rhabdom, retinula.
What part of the eye helps the iris contract and diolate
The ciliary muscle
Double points
About _____ people have gray eyes
80 Million
double points
The mantis shrimp has better vision the human beings
True or false
True
The part of the eye that contains muscle, and is behind the iris
Ciliary body
How many cornea lenses does a mantis shrimp have compared to a human
mantis shrimp: thousands
humans:one