| 1. | Gradually he regained the ability to sense light touch, pressure and heat.
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| 2. | No cones form and the person can only sense light and dark.
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| 3. | This led to its use as a cell for sensing light.
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| 4. | Think of the motion-sensing lights common outside garages and front doors.
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| 5. | They have similarities to vertebrate rhodopsins, the pigments that sense light in the retina.
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| 6. | Moreover, tube feet may sense light as well as odors.
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| 7. | It is only for patients who are legally blind but can still sense light.
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| 8. | Similarly, he developed tactile devices powered by photocells that enabled the blind to sense light.
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| 9. | Remington speculates that the second clock is a " photomeasurement device " that can sense light.
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| 10. | The human eye uses three types of cones to sense light in three bands of color.
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