Quiz Yourself

 

See if you can answer these questions about how the human eye operates:

 

 

What is the cornea? a. The black hole in the iris b. The transparent tissue covering the front of the eye. c. The eye's white outer layer

 

Which of these is responsible for focusing light rays on the retina? a. Sclera b. Optic Nerve c. Lens

 

The _________________ transmits electrical impulses from the eye to the brain. a. Lens b. Optic Nerve c. Vitreous

 

The eye works a lot like a ...... a. Camera b. Computer c. Projector

 

The _________ is the most sensitive part of the retina a. Sclera b. Vitreous c. Macula

 

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