Parts of the Eye
Black or White or Colour
Correcting focus problems
I can't see it
POTPOURRI
100
This is the hole in the middle of the eye
What is the PUPIL?
100
These cells detect colour in the eye
What are CONES?
100
People who can see NEARBY objects clearly but not far are called this
What is NEAR SIGHTED?
100
In developing countries, blindness is a result of one of these two issues
What is DISEASE and/or MALNUTRITION?
100
This is the nerve at the back of the eye
What is the OPTIC NERVE?
200
This is the clear colorless outer covering of the eye that does most of the foccussing of light
What is the CORNEA?
200
These cells detect shades of light and dark
What are RODS?
200
People who can see FAR or DISTANT objects clearly but not close objects are called this
What is FAR SIGHTED?
200
This type of blindness occurs when the sun's glare reflects off of frozen water
What is SNOW BLINDNESS?
200
This is the blue reflective part of the cow or sheep's eye that helps animals see at night
What is the TAPETUM?
300
This is the CONVEX shaped part of the eye that helps to focus light onto the back of the eye
What is the LENS?
300
These are the three primary colours that the cone cells can see
What is RED GREEN AND BLUE?
300
To correct NEAR-SIGHTEDNESS one uses this type of lens
What is a CONCAVE LENS?
300
This type of blindness occurs is when people have difficulty seeing in dim light
What is NIGHT BLINDNESS?
300
In a NEAR SIGHTED vision the image from a distant object is focussed __________ of the retina.
What is IN FRONT of the retina?
400
This is the thin membrane at the back of the eye that converts light rays to electrical signals that get sent to the brain
What is the RETINA?
400
Rod cells are shaped like this
What are LONG CYLINDER SHAPES (or cylindrical)
400
To correct FAR-SIGHTEDNESS one uses this type of lens
What is a CONVEX LENS?
400
This type of blindness occurs when people cannot see RED OR GREEN
What is red green COLOUR BLINDNESS?
400
In FAR SIGHTED vision the image from a distant object is focussed __________ of the retina.
What is BEHIND THE RETINA?
500
This is the part of the eye where the optic nerve hits the retina and has no light sensing cells.
What is the BLIND SPOT?
500
Cone cells are shaped like this
What is ROUNDER CONE SHAPED? (or CONE)
500
This condition is where the cornea has a distorted shape and causes a fuzzy image is a problem called this
What is ASTIGMATISM?
500
Blind students may use this type of alphabet to read their books.
What is BRAILLE?
500
This is the part of the eye that receives most of the light that is focussed by the lens
What is the MACULA? (FOVEA is also acceptable - responsible for sharp vision)
M
e
n
u