Understanding Stereo Vision

The transcript narrates the story of an astronaut's wife who was born with a squint and later developed stereo vision through exercises and prisms. Initially, she could only use one eye at a time, but after gaining stereo vision, she experienced the world in a new way. The narrator, intrigued by her story, tested her vision and explored his own interest in stereo photography and animal vision. The narrative weaves together personal experiences, scientific exploration, and reflections on vision.

What was unique about the astronaut's wife's vision condition?

• Only one eye worked at a time.

• She had perfect vision.

• She could only see in black and white.

• She was completely blind.

What activity did the astronaut's wife suggest to normal athletes to understand her vision condition?

• Running with weights.

• Wearing a patch on one eye.

• Swimming with goggles.

• Cycling with one hand.

How did the astronaut's wife eventually gain stereo vision?

• By using special exercises and prisms.

• Through surgery.

• Through meditation.

• By wearing contact lenses.

What was the initial reaction of the astronaut's wife when she first experienced stereo vision?

• She thought it was a mirage.

• She was frightened.

• She ignored it.

• She immediately understood it.

What analogy does the astronaut's wife use to describe gaining stereo vision?

• Like suddenly seeing color after being colorblind.

• Like learning a new language.

• Like hearing music for the first time.

• Like tasting a new flavor.

What common belief about stereo vision does the astronaut's wife's experience challenge?

• That it is a genetic trait.

• That it requires special glasses.

• That it is only possible with perfect eyesight.

• That it can only be developed by age two.

What was the narrator's reaction to the astronaut's wife's letter about gaining stereo vision?

• He was dismissive.

• He was fascinated.

• He was indifferent.

• He was skeptical.

What did the astronaut's wife keep to document her new experiences with stereo vision?

• A blog.

• A visual diary.

• A series of paintings.

• A video diary.

What is the narrator's personal interest related to stereo vision?

• He is a professional photographer.

• He is a member of the New York stereoscopic society.

• He is a vision therapist.

• He is a biologist studying vision.

How do cuttlefish use their eyes to achieve stereo vision?

• They have eyes on the top of their heads.

• They use mirrors to reflect images.

• They bring their eyes forward when hunting.

• They have a third eye for depth perception.