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- Main evidences came from studies of visual contrast sensitivity, magnocellular suppress function and visual motion perception. 他们从对比度敏感性研究、巨细胞抑制功能研究与视觉运动知觉功能的研究结果中得到了支持证据。
- visual contrast sensitivity 视觉对比敏感度
- Main Outcome Measures LogMAR visual acuity, BCVA, contrast sensitivity and stereoscopic vision. 主要指标 LogMAR视力、最佳矫正视力、对比敏感度、立体视锐度。
- Purpose: To evaluate the changes of visual function after laser in situ keratomileusis(LASIK) with contrast sensitivity visual acuity(CSVA). 目的：通过对准分子激光原位角膜磨镶术后对比敏感度视力的检查来完善对术眼视功能的评价。
- Analysis showed a significant beneficial effect of lutein on visual acuity( plutein usage; over the full trial period, though, contrast sensitivity among all subjects improved significantly. 分析显示叶黄素对视觉灵敏度有显著效果（
- To reach this goal,a composite of examinations combining contrast sensitivity,glare test and wavefront aberration assessments with traditional unaided visual acuity and corrected visual acuity,allows a comprehensive evaluation on the effect of correction. 传统的裸眼视力、矫正视力仅能反映视觉质量的一个方面 ,临床上越来越多地应用对比敏感度、眩光测试、角膜地形图等方法 ,特别是近几年来像差分析逐渐开展 ,可较全面解释屈光矫正的效果。
- As filter banks are used to simulate the contrast sensitivity function (CSF) in these models, the complexity of visual threshold obtainment and real-time assessment algorithms are increased. 由于这些模型采用滤波器组模拟对比度敏感函数(CSF)，增加了视觉阈值获取和实时评价算法的复杂度。
- Objective To investigate the contrast sensitivity of emmetropia,low or moderate myopia and high myopia patients in bright and dark circumstances,and then evaluate its visual function. 目的检测正视及低中度、高度近视3种不同人群在明、暗环境下的对比敏感度,评估其视功能状况。
- Subjects visual function was measured by multiple tests, including visual acuity, contrast sensitivity, and visual field at up to three levels of illumination at baseline and every 6 weeks in the lab. 受试者的视功能综合测试，包括视觉灵敏度、对比灵敏度、视野，在三级照明环境和每6周在实验室测试。
- Norcia AM,Tyler CW.Development of contrast sensitivity in the human infant[J].Vision Res 1990;30(10):1475-1486. 葛坚.;视觉的对比敏感度与临床应用[J]
- With this system,many visual functions can be tested,such as visual field,visual acuity,visual contrast susceptibility,strabismus,cross eye,etc. 该系统的主要功能有视野检查、斜视及同视功能检查、视觉对比敏感度检查和视锐度检查,可用于视觉医学研究及视功能临床疾病的诊断。
- KODAK COM CM Microfilm 2466 gives you improved readability of headers, increased character sharpness, and higher visual contrast for wet, roll-format COM output. KODAK COM CM型2466缩微胶片带给你增强的页眉可读性、增强的字符清晰度、更高的视觉对比度。
- The results revealed mild lowering contrast sensitivity at high spatial frequency for our glaucoma patients. 然而特定轴度之闪光眩耀测试结果并未见明显差别。
- In the control group,astigmatism has influence on the contrast sensitivity only in 18 CPD. 对照组仅在18CPD 时受影响。
- There was a slightly linear decrease in contrast sensitivity by 0 4 dB per decade. 视野平均对比敏感度随年龄增加呈直线下降 ;年龄每增加 1 0岁 ;则对比敏感度降低 0.;4分贝 ;
- We tested contrast sensitivity in 14 patients (28 eyes), ranging froth 1 to 24 months after radial keratotomy. 摘要我们测试十四位（二十八眼）接受放射状角膜切开术之病人之对比敏感度，测试时间由术后一至二十四月不等。
- Too high astigma degree and the worse astigmatism may affect the recovery of contrast sensitivity vision . 术后患眼的散光度数过大、人工晶体眼像差增大可能是影响患眼对比敏感度视觉恢复的原因。
- Long term contrast sensitivity of MIOL implantation was in the normal rage,but easy to be influenced by astigmatism and best corrected near vision. 近对比敏感度值正常,但易受散光和最佳矫正近视力的影响。患者都较少出现光晕等视觉现象。
- At the same time, R58 standard color standard sensor excellent contrast sensitivity can detect 16-level grayscale and color contrast. 同时，R58尺度型色标传感器超卓的差比灵敏度不妨检测16级灰度和矮差比度色标。
- Beirut, the capital of Lebanon, is a city of visual contrasts where the glitterati rub shoulders with the ghetto. 贝鲁特，黎巴嫩的首都，是一座上层人物和少数民族共同居住的城市。
