Parts of the Eye pt. 1
2nd layer that helps focus light on the retina
Lens
Coloured part of the eye, adjusts pupil size based on an environment's brightness
Iris
The "6" in 4/6 vision stands for...
A person with normal vision can see that detail 6m away
Name 2 forms of corrective measures (helps those with bad eyesight)
Glasses, Contacts, Surgery
Which cones are used for detecting green light?
Green cones/green light cones
The area where the image is produced and converted into nerve signals
Retina
The hole in the iris that light passes through to reach the retina
Pupil
The "8" in 8/6 vision stands for...
A specific person can see detail 8m away where a person with normal vision can only see it at 6m
A small lens that is placed directly on the cornea to correct a vision defect
Contact Lens
Which colour of cones are used for detecting the colour magenta?
Red and blue cones
Helps the eye to see colour
Cones
Carries nerve signals to the brain
Optic Nerve
With _____, a person can see distant objects clearly, but cannot focus on objects that are close up
farsightedness/hyperopia
A _____ lens helps with correcting nearsightedness/myopia
Concave
What is the complementary colour of blue?
Yellow
Responsible for 80% of the eye's light refraction
Cornea
Helps the eye to see in different levels of light
Rods
Age-related defect where an individual can't properly focus on either close or far objects
Presbyopia
A _____ lens helps with correcting farsightedness/hyperopia
What is the complementary colour of magenta?
Green
The tough cover of the eyeball
Sclera
Controls the thickness of the lens to adjust for near and far objects
Ciliary muscles
Cornea is irregularly shaped, like a football- focus is blurry at any distance
Astigmatism
Corrective measure that uses a tool to alter the shape of the cornea- fixing vision
Laser Eye Surgery
If I stare for 30 seconds at a cyan square, after if I look at a white paper I should see a ____ square in my vision.
Red