Name: Episode 20 — Eyeball
Released: 1994-02-11
Duration: 26 min
Cast: Bill Nye, Rachel Glenn, Jennifer Lin, Amy Broder, Ethan Ferkiss

Bill Nye the Science Guy (1993 – 1998)

1993 • 5 seasons • Comedy, Documentary • TV-Y

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Episode 20 — Eyeball

Released: 1994-02-11 • Comedy/Documentary/Kids

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Look no further ... Bill Nye is on the ball - the eyeball. For their small size, your eyes do an important job. By working with your brain, your eyes can tell the difference between thousands of different colors. They can follow a fast-moving hockey puck across the ice. They are even sending messages to your brain about what you're reading right now. Eyes work a lot like a camera. They take in light, focus light, and make images. With help from the brain, your eyes help understand the world around you. Light bouncing into your eye passes through an opening called the pupil. If you look in the mirror, your pupil is the black area in the middle of your eye. The pupil can open or close, depending on the brightness of the light. After passing the pupil, the light is focused onto the back of your eye by the lens, a thin layer of cells. On the back of your eye are special cells called rods and cones that are sensitive to light. These cells send electrical messages to your

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Episode air date	11.02.1994
Episode runtime	26 min
Episode rating	0.00
Genres	Comedy / Documentary / Kids
TMDB series rating	7.3
IMDb series rating	8.2
Series status	Ended
Age rating	0+
Country	US

Bill Nye the Science Guy (1993 – 1998)

Episode 20 — Eyeball

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