A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina, the nerve layer at the back of the eye, usually causing vision problems.
白内障是指眼内晶状体的无痛性浑浊阻碍了光线到达视网膜(眼球后部的神经层)，从而引起视力问题。
The asr was designed to be surgically implanted under the retina and to produce visual signals similar to those produced by the photoreceptor layer.
人造硅视网膜是通过外科手术植入视网膜的下面，产生的可视信号与光感受层产生的可视信号相似。
The team went on to transplant a layer of stem cells between the degenerating mice retinas and healthy donor tissue (whole retina).
研究小组继续在变性的小鼠视网膜和健康供体组织（整个视网膜）之间移植一层干细胞。
RESULTS: TP had the same structure of each layer as normal retina and its similar growth and development rule, which also could synthesize relative neural active substance.
结果：移植视网膜具有正常视网膜的各层结构和相似的生长发育规律，并能合成相关的神经活性物质。
In the retina of RCS rats, GABA-like immunoreactivity was observed in the inner plexiform layer, few GABA-ergic amacrine cells and the ganglion cell layer.
RCS鼠则分布于视网膜内丛状层的少量神经纤维、极少量GABA阳性免疫反应的无长突细胞和节细胞层的部分纤维。
Apoptosis cells were observed in detached retina, mainly in inner nuclear layer, outer nuclear layer and ganglionic cell layer.
脱离的视网膜在内、外核层发现凋亡标记阳性细胞。
Photoreceptor loss caused by degeneration in the pigmented layer of the retina (RPE cell layer) eventually leads to blindness.
光感受器丧失引起的色素变性在层(RPE细胞层视网膜)最终导致失明。
The expression of VIP exists on photoreceptor- outer segment, inner nuclear layer and inner plexiform layer of retina and choroids, and weak expression exists on ganglion cell and nerve fiber layer.
VIP表达主要位于视网膜光感受器外节、内核层、内网状层和脉络膜，神经节细胞层和神经纤维层也有弱表达；
Methods: The gangliosides extracted from 32 samples of tumor tissues of RB and 21 control retina tissues were analyzed with high performance thin layer chromatography.
方法：应用高效薄层色谱法对32例RB瘤组织及2 1例对照视网膜组织的神经节苷脂进行对照分析。
In fact, the retina and retinal detachment is not isolated choroid, but the retina, "pigment layer" and "feeling of" separation between, in this liquid between the two.
事实上，视网膜剥离并不是视网膜与脉络膜分离了，而是视网膜的“色素层”与“感觉层”之间分离，有液体在这两层之间。
The lens focuses light rays on the retina - the layer of light-sensing cells lining the back of the eye - to produce a sharp image.
晶状体将光线聚焦于视网膜(排列在眼底的一层光敏细胞)来产生清晰的视觉影像。
Color vision in vertebrates begins with the cone cells in the retina, the layer of nerve cells that transmits visual signals to the brain.
脊椎动物的色觉始于视网膜里的锥细胞，再透过神经细胞将视觉讯号传输到大脑。
Conclusion Endogenous retinal stem cells can be activated in the photoreceptor layer of RCS rat retina during the onset and development of retinitis pigmentosa.
结论RCS大鼠变性过程中视网膜感光细胞层出现视网膜干细胞激活。
The retina was sectioned for counting the cells in the ganglionic layer of the optic nerve and quantitating optic nerve lesion.
然后进行视网膜切片，计数视神经节细胞层细胞，定量视神经损伤。
The histopathologic changes of intense reaction involved the whole layer of retina.
强反应光斑病理变化累及视网膜全层。
The retina, the inner layer of the globe, consists of two portions.
视网膜是眼球的内层，包括两部分。
It was observed by microscopy that each layer of the retina structure was intact in group A, and there was retinal detachment in group B and group C.
显微镜观察显示A组眼球视网膜各层组织结构完整，B组和C组视网膜均有断层、分离和脱片等现象。
Color vision in vertebrates begins with the cone cells in the retina, the layer of nerve cells that transmits visual signals to the brain.
在大脑的控制下，视觉信息从神经节细胞传输给视神经，再传输给大脑后部的视觉大脑皮层。
Color vision in vertebrates begins with the cone cells in the retina, the layer of nerve cells that transmits visual signals to the brain.
在大脑的控制下，视觉信息从神经节细胞传输给视神经，再传输给大脑后部的视觉大脑皮层。
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