Retinal hemorrhage, and blurring of the optic dise cause visual disturbances.
视网膜出血及神经盘模糊等可导致视力障碍。
CONCLUSION: Rotating grating conclude plenty of visual information, and it excites different areas of the optic center as a stimuli.
结论：旋转光栅包含丰富的视觉信息，作为刺激源可兴奋视觉中枢的不同区域。
Optic nerve decompression with steroids or surgical interventions or both have therefore been advocated to improve visual prognosis in TON.
因此提出以类固醇治疗或手术或两者合并治疗可使视神经减压，进而改善视力之预后。
Here we demonstrate by in vivo time-lapse imaging of optic tectal cells in Xenopus laevis tadpoles that enhanced visual activity driven by a light stimulus promotes dendritic arbor growth.
在此，我们使用视觉非洲爪蟾蝌蚪顶盖细胞活体延时成像证明，轻微刺激下增强的视觉活动促进树突棘生长。
Methods A retrospective study was carried out among 17 cases with traumatic visual disturbance and treated with optic nerve decompression under nasal endoscope.
方法回顾性分析鼻内镜下视神经减压术治疗外伤性视力障碍17例的临床资料。
Glaucoma: This is caused by an abnormal rise in pressure in the eyes that damages the optic nerve and results in defective vision and narrowed visual field.
青光眼：眼球压力过高导致视觉神经受破坏，患者的视力下降及视野缩窄。
Postoperatively, the visual damage and optic field defect were recovered in 18 cases, while 12 cases were unchanged.
术后视力损害和视野缺损均有不同程度恢复18例，12例视力无改变，2例视力下降。
The group B, 12 cases, was that with fracture of optic nerve canal and visual disfunction. The decompression of optic nerve canal was performed.
组共12例为视神经管骨折，术前患者有不同程度的视力障碍，行视神经管减压。
When blind people use another sense-touch or hearing, for example-to substitute for sight, the brain's visual cortex becomes active, even though no images reach it from the 9 optic nerve.
当盲人使用另一种官能——例如触觉或听觉——来代替视觉时，其大脑的视觉皮层就会活跃起来，尽管它没有接收到来自视觉神经的影像。
Traumatic optic neuropathy (TON) is an important cause of severe visual loss following blunt or penetrating head trauma.
创伤性视神经病变(TON)是头部钝伤或穿刺伤后造成严重视力丧失的重要原因之一。
Severe GO leads to exposure keratopathy, diplopia, and compressive optic neuropathy, which might cause visual loss.
严重的GO可以导致角膜暴露、复视，以及可致失明的压迫性视神经病变。
The optic nerve transmits visual information from the eye to the brain and traumatic optic neuropathy (TON) refers to any injury to the optic nerve secondary to trauma.
以手术治疗创伤性视神经病变视神经传递眼部的视觉讯息至脑部，而创伤性视神经病变是指因外伤引起的任何视神经伤害。
Objective To discuss the effect of traditional Chinese medicine plus venous oxygen therapy on electroretinogram (ERG) and visual evoked potential (VEP) of ischemic disease of anterior optic nerve.
目的探讨中医辨证施治联合静脉给氧对前部缺血性视神经病变视网膜电图（ERG）和视觉诱发电位（VEP）的影响。
The results suggest that aging degeneration exists in macular area, and similar lesion may occur coincidentally from optic nerve to visual centre.
提示老年黄斑变性的患者，不仅有黄斑区损害，可能在视神经至视觉中枢也存在类似的老年变性改变。
Postoperative visual prognosis was poor for primary optic nerve sheath meningioma.
原发性视神经鞘脑膜瘤术后视力预后差。
Objective To evaluate the prognosis of patients with serious optic nerve injury by visual evoked potentials (VEP).
目的利用视觉诱发电位(VEP)判断严重视神经损伤的预后。
Amblyopia occurs in the early stage of visual system development after born, and there is functionally abnormal development from retina to optic center.
弱视发生于出生后视觉系统的发育时期，从视网膜到大脑视觉中枢的功能性发育异常，临床主要表现为视网膜视力的低常。
AIM: Flash visual evoked potentials (F-VEP) can monitor the function of optic nerve and rear visual pathway, and also know the blood supply of brain tissue near visual pathway.
目的：闪光刺激视觉诱发电位可用来监测术中视神经及后视路的功能，也可以了解视觉传导通路上脑组织的血供情况。
Eye disease: toxic optic neuropathy, visual impairment, macular degeneration, adaptability cataract, etc.
眼科疾病：中毒性视神经病变、视觉适应性减退、黄斑变性、白内障等。
Methods Changes of F-VEP in normal China rabbits and those after optic nerve injury were detected using TEC automatic visual electric physiological system.
方法使用重庆泰克自动视觉电生理系统，检测正常及视神经损伤后中国白兔F-VEP。
Objective To study the rate of abnormal of visual evoked potential (VEP), the degree of injury, and estimate of the prognosis in cases with optic nerve contusion.
目的探讨视神经挫伤后的视觉诱发电位（VEP）的异常率、挫伤程度及预后估计。
However, there is a relatively high rate of spontaneous visual recovery and no evidence that surgical decompression of the optic nerve provides any additional benefit.
然而，自发性视力恢复通常占有相当高的机率，而且没有任何证据显示视神经减压手术可以提供任何附加的益处。
Methods visual acuity of 2100 4 ~ 6 years old children in 8 kindergartens were surveyed, and those whose visual acuity were subnormal were optic examined and atropine was used.
方法对8所幼儿园的2 10 0名4 ~6岁儿童进行远视力普查筛选，视力低常者行眼科常规检查及阿托品散瞳验光。
Conclusion The compression of optic nerves and optic chiasma is responsible for different types of visual field defects caused by saddle area tumors.
结论颅底肿物引起不同类型的视野缺损的原因与压迫视神经、视交叉相关。
Objective To provide morphological evidences for visual field defects caused by the compression of optic nerves and optic chiasma by saddle area tumors.
目的为脑底肿瘤压迫视神经、视交叉引起视野缺损原因提供形态学依据。
The other two visual prostheses are optic nerve visual prosthesis and cortex visual prosthesis.
另外两种视觉假体是视皮层视觉假体与视神经视觉假体。
The other two visual prostheses are optic nerve visual prosthesis and cortex visual prosthesis.
另外两种视觉假体是视皮层视觉假体与视神经视觉假体。
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