| 1. | The periphery of the retina is very sensitive to motion .
视网膜的外围对运动非常敏感。 |
| 2. | In the periphery of the retina, ganglion cells are relatively few in number .
在视网膜的边缘区节细胞相当少。 |
| 3. | The receptive mechanism of the retina can also adapt itself to large differences in quantity of light .
视网膜的感受机构还可以自行调节以适应光量上的很大差别。 |
| 4. | Just about at the center of the retina is a small depression from 2.5 to 3 mm in diameter known as the yellow spot or macula .
大约正好在视网膜的中心，有一个直径为25到3毫米的小凹陷叫做黄斑。 |
| 5. | Diseases of the retina can cause vision loss over time
视网膜的疾病会导致视觉逐渐丧失。 |
| 6. | Diseases of the retina can cause vision loss over time
视网膜的疾病到后期可能造成失明。 |
| 7. | Diseases of the retina can cause vision loss over time
时间久了，视网膜的疾病会导致失明。 |
| 8. | Diseases of the retina can cause vision loss over time
长时间视网膜的病变会引起视力下降。 |
| 9. | Diseases of the retina can cause vision loss over time
视网膜的疾病可以导致暂时性的视觉丧失。 |
