Front Hum Neurosci:正常成人群体视力主导眼感知程度与立体视觉的相关性

2018-10-09 MedSci MedSci原创

温州医科大学附属第一医院眼科的Wang Y近日在Front Hum Neurosci杂志上发表了一篇重要的工作。为了测量双眼在视觉处理中的两眼间抑制性反映,也就是优势眼的感觉程度,可以使用双目相位组合任务来进行定量测量。在本研究中,他们使用这种任务为优势眼感觉程度提供了规范的数据集。在此基础上,他们还评估了主导眼感知程度与立体视觉之间的关系。

温州医科大学附属第一医院眼科的Wang Y近日在Front Hum Neurosci杂志上发表了一篇重要的工作。为了测量双眼在视觉处理中的两眼间抑制性反映,也就是优势眼的感觉程度,可以使用双目相位组合任务来进行定量测量。在本研究中,他们使用这种任务为优势眼感觉程度提供了规范的数据集。在此基础上,他们还评估了主导眼感知程度与立体视觉之间的关系。

总共有一百四十二名成年人进行了研究,平均年龄为24.00±1.74岁。这些研究对象均为视力正常或矫正后正常的人(logMAR <0.00)。观察者的主导眼感知程度以两种互补的方式进行量化:两只眼睛平衡时的双眼对比度(即平衡点)和每只眼睛在双眼相位组合任务中观察到最大对比度刺激时双眼感知相位的绝对值。使用与优势眼相同的空间频率(0.30周/度)和刺激参数,通过最大对比度来测量立体视觉敏锐度。

研究发现,平均平衡点为0.93±0.06(平均值±SD),当双眼观察到最大对比度刺激时,双眼感知相的平均绝对值为7.62±5.91°,平均立体视力为2.19±0.34log弧秒。这两种主导眼感知程度都与立体视觉敏锐度存在显着的相关性(平衡点:ρ= 0.14,P = 0.10;相位:ρ= -0.13,P = 0.13)。

因此,他们认为,使用相位组合任务反映的主导眼感知程度和立体视觉在正常视力的低空间频率的环境下没有显着的相关性。

原文出处:

Wang, Y., et al., On the Relationship Between Sensory Eye Dominance and Stereopsis in the Normal-Sighted Adult Population: Normative Data. Front Hum Neurosci, 2018. 12: p. 357.

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