角膜的

Optic axis (the line of corneal apex and center of crystalline lens) and visual axis (a line connects pupil center and foveal center) subtends a visual angle.

视角是指光轴（角膜顶点与水晶体晶体轴线中心的连接线）与视轴（瞳孔中心到视网膜中央凹的连接线）间的夹角。

It took an hour and a half for 120 kg Romina to be tranquilized , allowing the surgeon to make an incision through the cornea before breaking up the with ultrasound and inserting the silicon lens .

为这只体重达120公斤的大猩猩进行麻醉花费了一个半小时的时间，医生才能在它的角膜上打开切口，用超声波将粉碎，镶入硅制镜片。

It took an hour and a half for 120 kg Romina to be tranquilized , allowing the surgeon to make an incision through the cornea before breaking up the with ultrasound and inserting the silicon lens .

为这只体重120公斤的大猩猩进行麻醉花费了一个半小时的时间，之后医生才能在它的角膜上打开切口，然后用超声波将粉碎，镶入硅制镜片。

It took an hour and a half for 120-kg Romina to be tranquilized , allowing the surgeon to make an incision through the cornea before breaking up the cataract with ultrasound and inserting the silicon lens.

为这只体重达120公斤的大猩猩进行麻醉花费了一个半小时的时间，之后医生才能在它的角膜上打开切口，然后用超声波将白内障粉碎，镶入硅制镜片。

It took an hour and a half for 120 kg Romina to be tranquilized , allowing the surgeon to make an incision through the cornea before breaking up the cataract with and inserting the silicon lens .

为这只体重达120公斤的大猩猩进行麻醉花费了一个半小时的时间，之后医生才能在它的角膜上打开切口，然后用超声波将白内障粉碎，镶入硅制镜片。

In a camera, light rays pass through a series of lenses that focus images onto film.In a healthy eye, light rays pass through the cornea and lens, which focuses images onto the retina, a layer of light-sensing cells lining the back of the eye.

在照相机中，光线经过一系列的透镜，把图像聚焦在胶片上，在健康的眼睛中，光线通过角膜和透镜，把图像聚焦到视网膜上，而视网膜是一层排列在眼底的光敏单元。

In order to avoid misdiagnosis,with the patients who fail to get a clear diagnosis and with liver dysfunction,manifestation of central nervous system,hematuria or anemia,it is essential to check cornea Kayser-Fleischer ring,copper metabolism and require carefully the family history.

为了避免误诊，对诊断不清的具有肝功能损害，或神经系统症状，或血尿，贫血等症状的患者，检查角膜Kayser-Fleischer 环，铜代谢，细致的询问家族史十分重要。

Astigmatism is a distortion of the image on the retina caused by irregularities in the cornea or lens of the eye.

散光是一种歪曲的形象在视网膜上，造成的违规行为的角膜或眼球晶状体对。

YMF: Yes, because ultraviolet rays from the sun damage the cornea, the lens and even the retina.

答： 对，来自太阳的紫外线会伤害你的眼睛的角膜，晶体甚至视网膜。

The early successful transplant operations were autografts,in which the graft is taken from one part of an individual's body to another part of his body ,as in the case of skin or cornea grafts.

早期成功的移植手术叫作自体移植术，即将移植物从人体的某一部分移植到人体的另一个部分，像皮肤移植或角膜移植那样。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。