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Objective To study the characteristics of mfVEP and P-VEP in anisometropic amblyopia eyes, and to evaluate the mechanism of anisometropic amblyopia.

目的 研究儿童屈光参差性弱视mfVEP与P-VEP的特征,探讨屈光参差性弱视的发病机制。

We investigated the characteristics of visual evoked potentialsof the eyes with normal visual acuity in 84 children of whom 20 were normal,28 of anisometropic amblyopia,8 of ani-sometropic amblyopia already cured, 8 pairs of monozygotic and 6 pairs of dizygotic twins with ambly-opia.

对84例儿童正常视力限的视觉诱发电位(visualevokedpotential,VEP)进行了分析,其中正常儿童20人,屈光参差性弱视儿童28人,治愈的屈光参差性弱视儿童8人,单卵双生子8对,双卵双生子6对。

For five anisometropic amblyopes and five normal controls, contrast sensitivities in both grating motion direction discrimination and moving grating detection were measured with the same moving sinewave stimuli over a wide range of spatial and temporal frequencies.

我们采用心理物理学方法研究了屈光参差性弱视患者对正弦运动光栅识别能力的损伤机制,测量了在一定时间空间频率下五名屈光参差性成人弱视患者和五名正常对照被试运动方向辨别和运动光栅检测的对比敏感度。

Methods Animal models were made by binocular and monocular chronic atropinization.

用幼猫双眼或单眼慢性阿托品化的方法,造成屈光不正或屈光参差的弱视动物模型,在整个视觉发育期,连续检测其条栅视力和对比敏感度函数,并与正常幼猫相比较。

Objective To study the changes in refraction following surgery on the extraocular muscles and how do the different operation procedures affect refraction.

目的 了解斜视术后眼球屈光状态的动态变化及不同术式对屈光状态的影响,并对其发生机理进行初步探讨。

Objective: We employed MEG to study M75 and M100 in visual evoked magnetic field, stimulated by whole and half field pattern reversal of children with anisometropic amblyopic eyes and normal eyes as control, to investigate the imposable cortical machine of anisometropic amblyopia.

中文摘要:目的:应用脑磁图(Magnetoencephalography,MEG)来研究屈光参差性弱视儿童全视野和半视野黑白棋盘格翻转刺激所产生视觉诱发磁场成分中的M75和M100,并以正常眼为对照进行分析,从而探讨屈光参差性弱视发病的中枢机制。

The long-term outcomes of highly myopic patients with borderline corneal thickness after LASIK were less stable and predictable. The regression was probably related to the preoperative refraction, age, corneal thickness and keratometry readings.

高度近视薄角膜患者LASIK术后的远期稳定性较低,可预测性较差,术后屈光回退可能与术前屈光、年龄、角膜厚度和曲率的改变有关。

Both of the manual keratometry and average simulated keratometry were used to measure anterior radius of cornea only, overestimation of corneal power by them could be expected after refractive surgery owing to negligence of posterior radius of cornea.

由於传统平约K值与拟传统平均K值均只测量角膜的前弧度,故於准分子雷射屈光手术后,若仅以这些方法量得角膜的屈光能力,将会产生数值过大现象。

In the central region the N_1-P and P-N_2 amplitudes of mfVEP of the inisometropic amblyopic eyes were reduced compared with the normal eyes.2. In strabismic amblyopia eyes and anisometropic amblyopic eyes the latencies of mfVEP were markedly prolonged.

斜视性弱视和屈光参差性弱视的mfVFP特征峰潜时在各环都较对侧眼和正常对照组延长;屈光不正性弱视患者的特征峰潜时在各环较正常对照组延长,其差异均有统计学意义。

Methods:Based on the measured diopters,278 patients (538 eyes) that were to receive PRK operation were divded into 4 groups:mild,medium,high,and superhigh myopia,respectively.

目的:通过测量近视眼的角膜屈光力、眼轴和角膜中央厚度,分析角膜屈光力、眼轴和角膜中央厚度与近视程度的关系。

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Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。

In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).

在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。