A condition where you have trouble focusing on nearby objects because the eyeball is too short or the cornea is too flat so the image is formed behind the retina.
What is farsighted
200
The thick part of a convex lens
What is the middle
200
The thinnest part of a concave lens
What is the middle
200
What a right side up image is called
What is virtual/upright
200
Regulates how much light is let into the eye
What is the iris
200
A condition where you have trouble focusing on distant objects because the eyeball is too long or the cornea is too curved so the image is formed in front of the retina.
What is nearsighted
300
A convex lens causes parallel light rays to __________
What is converge
300
A concave lens causes parallel light rays to ____________
What is diverge
300
The part of the camera that controls how much light is let in
What is aperture/diaphram
300
The opening of the eye that lets light into the eye
What is the pupil
300
A lens defect that happens when light rays pass through the edges of a lens and focus at different points.
What is spherical aberration
400
The distance from the middle of the lens to where the light rays converge
What is focal length
400
The distance from the middle of the lens to where the light rays appear to all come from
What is focal length
400
The first lens in a microscope that is closest to the object
What is objective lens
400
The light sensitive layer of tissue at the back of the eye
What is the retina
400
A lens defect that results from the different speeds of light of various colors that will refract different amounts.
What is chromatic abberation
500
Your eye contains a ___________ lens
What is converging/convex
500
A diverging lens produces an image that is _______ and _______ .
What is virtual and upright
500
An upside down picture of the moon used by astronomers
What is moon map
500
The small region in the center of your vision where the vision is most distinct
What is the fovea
500
A surgery performed on the eyeball that reshapes the cornea using pulses from a laser.