Question

the adjustable opening in the center of the eye that helps control the amount of light entering the eye is called the

a. cornea
b. fovea
c. pupil
d. iris

please select the best answer from the choices provided

a
b
c
d

Explanation:

Analyze the function of each eye structure

• Cornea: The transparent outer layer that protects the eye and bends light.
• Fovea: The central focal point in the retina, containing a high concentration of cones for sharp vision.
• Pupil: The adjustable opening in the center of the eye through which light enters.
• Iris: The colored muscle surrounding the pupil that controls its size.

Identify the correct term matching the definition

The question asks for the "adjustable opening in the center of the eye that helps control the amount of light entering." This matches the definition of the pupil.

Answer:

• (A) cornea
• (B) fovea
• (C) pupil (Correct answer)
• (D) iris