[DOC] [TLE] Structure and Function of the Eyes - Eye Disorders - Merck Manuals ... [PAR] View The Professional VersionFor doctors and medical students .... Light enters 
the eye through the cornea, the clear, curved layer in front of the iris and pupil. ... 
the cornea, light travels through the pupil (the black dot in the middle of the eye). 
... eye that surrounds the pupilcontrols the amount of light that enters the eye. [DOC] [TLE] The Anatomy of the Eye - The Physics Classroom [PAR] Student Extras ... Refraction and the Ray Model of Light - Lesson 6 - The Eye ... 
The pupil is the black portion in the middle of the eyeball. ... the iris adjusts its 
size to reduce the pupil opening and limit the amount of light that enters the eye. [DOC] [TLE] Anatomy and Structure of the Eye | BrightFocus Foundation [PAR] Choroid: Layer of the eye behind the retina, contains blood vessels that ... that 
regulates the amount of light entering the eye by adjusting the size of the ... Pupil: 
The adjustable opening at the center of the iris through which light enters the eye. [DOC] [TLE] Structure & Function of the Eye - Teaching Students with Visual ... [PAR] To better understand a student's vision, it is important to know how each part of 
the ... to the eye and controls the amount of light entering the eye by varying the 
size ... Pupil It is a variable-sized black circular opening in the center of the iris 
that... [DOC] [TLE] 18.4 Seeing Light Pg The Human Eye Your eyes allow you to sense ... [PAR] 3 Light Enters the Eye Light enters the eye through the cornea  The cornea is ... 
looks black  It is an opening through which light enters the inside of the eye ... 
7.5.g Students know how to relate the structures of the eye and ear to their 
functions. ... opening in the center of the eye that controls the amount of light 
entering the... [DOC] [TLE] Eyes - KidsHealth [PAR] To understand how the eyes work, it's important to know about their structure and 
... eyelashes, which keep dirt, dust, and even harmful bright light out of the eye. [DOC] [TLE] Neuroscience for Kids - The Eye and Its Connections [PAR] Students learn some ways to investigate the sense of sight, and find out how to 
plan and .... Pupil, hole in the center of the eye where light passes through ... one 
another, increasing the ability of the brain to detect a small amount of light. ... light 
is completely mediated by cones, which provide color vision, black and white... [DOC] [TLE] About the eye - Schepens Eye Research Institute [PAR] ... of our loved ones, and take in all the information that allows us to lead the lives 
we know and enjoy. ... The iris opens and closes to control the amount of light 
entering the eye through the pupil. The pupil is the opening in the center of the 
iris where light enters the eye. When looking at the eye, the pupil appears black. [DOC] [TLE] Eye Anatomy - Eye Central [PAR] PUPIL: Variable-sized, circular opening in center of iris; it appears as a black ... 
the eye, and (2) controls amount of light entering the eye by varying size of black
... [DOC] [TLE] The Eyes and Vision. Information on the eyes and eye problems ... [PAR] The iris is made up of muscle fibres which help to control the size of the pupil. 
The pupil is not an actual structure but the circular opening in the middle of the 
iris. ... Structures in the eye bend the light rays entering the eye so that when they 
reach ... a small amount of watery fluid which drains on to the upper part of the 
eyes. [DOC] [TLE] Learn about Your Eye and How Vision Works! - Home Science Tools [PAR] The macula is a small spot in the center of your retina. ... Four different surfaces 
bend the light as it enters the eye: the cornea, the ... The colored part of your eye, 
called the iris, controls the size of the pupil, the opening that lets light through. ....

Question: Students know that this black opening in the center of the eye controls the amount of light that enters
Answer: pupil