The Parts of the Eye That Refract (Focus) Light Rays

question 39

Multiple Choice

The parts of the eye that refract (focus) light rays are:
1) vitreous humor
2) aqueous humor
3) lens
4) cornea
The correct sequence in which light rays pass through them is:

• A)4, 2, 3, 1
• B)3, 2, 1, 4
• C)4, 3, 1, 2
• D)3, 4, 2, 1"

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Definitions:

Orbicularis Oculi

The orbicularis oculi is a muscle surrounding the eyelid that allows for the closing of the eye.

Sandstorm

A meteorological phenomenon characterized by strong winds lifting and transporting sand and dust from the ground, reducing visibility.

Melanin Pigment

A natural pigment found in most organisms, responsible for hair, skin, and eye color; provides protection against UV radiation.

Choroid

A layer of blood vessels and connective tissue between the sclera and retina in the eye, providing oxygen and nourishment to the outer layers of the retina.