Eyelash Extensions Written Practice Exam

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What is the transparent covering over the iris called?

Cornea
Pupil
Iris
Lens

The correct answer is: Cornea

The transparent covering over the iris is referred to as the cornea. It plays a crucial role in focusing light onto the retina, as it acts as a barrier that protects the eye while allowing light to enter. The cornea is the outermost layer of the eye and is vital for maintaining vision clarity, as it refracts light and helps to focus images. The other terms mentioned have different functions: the pupil is the opening in the center of the iris that controls the amount of light that enters the eye; the iris is the colored part of the eye that also surrounds the pupil; and the lens is located behind the iris and helps in further focusing light onto the retina. Understanding the role of the cornea helps clarify its function in the overall structure and operation of the eye.