retina造句
1. Images are projected onto the retina of the eye.
2. Each input from the retina is 0 or 1.
3. An image is projected on to the retina.
4. Their inputs come directly from the retina.
5. They are gathered together from all over the retina into a single bundle, which is the optic nerve for that eye.
6. By and large, the retina only sends messages to the brain when the image on it changes.
7. The type of neuron found in the retina is shown in figure 4. 2 as an example.
8. When the fresh retina was dissected under dim red light, the fovea was usually visible as a dark spot.
9. The cup becomes the retina, and the stalk connecting it to the brain the optic nerve.
10. Each RAM chip treats its inputs from the retina as the address of one of its cells.
11. Although a biopsy may be taken from the retina itself for evidence of the virus, this procedure involves risks.
12. Optic nerves pass from the retina to the central cortex of the brain.
13. This is an incurable condition of the retina which caused almost total blindness.
14. A single photo-cell on the retina may be an input to several nodes.
15. If a person is short - sighted, images are focused in front of their retina.
16. A two-layer perceptron can recognise convex areas on its retina.
17. Many sufferers go blind by the age of 30 or 40 because of damage to the retina.
18. All but two of its visible nodes will be tied to the output of cells on a retina.
19. Never look straight at the sun. Any damage to the retina could cause permanent blindness.
20. The coding process begins while en route between the retina and our conscious mind.
21. There are at least two layers of neurones in the retina, in addition to the light-sensitive cells themselves.
22. The rods are situated mainly in the peripheral area of the retina and they are activated in lower levels of lighting.
23. An optometrist can calculate the strength of glasses a person needs by judging the light reflected back from the retina.
24. For instance, no single node can recognise the class of images consisting of just one dot anywhere on the retina.
25. The best known example of the phenomenon is in cells of the retina, where its effect is to heighten contrast.
26. Instead, some of the simpler computations are performed in the retina itself.
27. The image of the insect may pass over the edge of my retina rather than the more acute central region.
28. In short-sighted people, images are brought into focus just in front of the retina, so distant things are blurred.
29. These light rays land on a group of nerve cells in the back of your eye, called the retina.
30. In Fig. 2 we show at the upper right a typical fragment of foveal retina from one of our preparations.
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