Which Structure of the Eye Focuses Light Rays onto the Retina

question 67

Multiple Choice

Which structure of the eye focuses light rays onto the retina

• A) pupil
• B) optic disk 
• C) cornea
• D) lens

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Definitions:

Visual Acuity

The clarity of vision or the sharpness of eyesight, measured as the ability to discern letters or numbers at a standardized distance.

Bipedalism

The ability to walk upright on two legs, a key distinguishing feature of humans and our ancestors.

Arched Feet

A foot structure characterized by a pronounced curve along the inside of the sole, which typically enhances balance and support.

Opposable Big Toe

A distinct anatomical feature where the big toe can touch the other toes, aiding in gripping and manipulation of objects, seen in some primates.