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Q: Define the term sclera In context of Anatomy of the Eye >?
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Q: During a recent Alaskan cruise, Max and his grandfather were staringat a glacier some distance from…
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What are the structures
that compose the human
vision apparatus?
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- During a recent Alaskan cruise, Max and his grandfather were staringat a glacier some distance from their tour boat. Suddenly, Max’s motherinterrupted them to show them a piece of ice one of the deck handshad scooped from the water in the bay. Max was able to focus on thepiece of ice and see its clear blue features, but his grandfather had toreach for his glasses. What changes occurred in their eyes between thetime they were staring at the glacier and the time they were looking atthe piece of ice? Explain why Max’s grandfather reached for his glassesSince the visual images areprojected in an invertedmanner on the retina whydon't we see things upsidedown?What distinguishes the human visual system's temporal characteristics from its optical characteristics?
- As compared to the optical features of the human vision system, how do the temporal properties of the human vision system differ?Describe the role of visual feature detectors. Where are these specialized cells located? Give real life examples!A man stares at a black clock on a white wall for several minutes. Thenhe shifts his view and looks at only the blank white wall. Although heis no longer looking at the clock, he sees a light clock against a darkbackground. Explain what is happening
- Which is the part of thehuman visual system wherethe receptors that sense light,i.e., the photoreceptor cells,are located? How do thosecells work?When comparing the human visual system's temporal features with its optical properties, what distinguishes the two?How does the human eye work as an optical system? Briefly describe the process of vision.