Eyelash Extensions Written Practice Exam

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What is the smallest center of the eye?

Pupil
Cornea
Iris
Lens

The correct answer is: Pupil

The pupil is considered the smallest center of the eye as it is the opening in the center of the iris that allows light to enter the eye. Its size can change in response to lighting conditions or emotional factors, contracting in bright light and dilating in dim light. This dynamic nature allows the pupil to regulate the amount of light that reaches the retina, playing a crucial role in vision. In contrast, the cornea is the transparent, dome-shaped surface covering the front of the eye, and it is much larger than the pupil. The iris, which gives the eye its color, surrounds the pupil and is also larger, controlling the size of the pupil. The lens, located behind the iris, helps focus light onto the retina but is even larger than the pupil. Thus, among the listed structures, the pupil remains the smallest center of the eye.