视动性眼震测量调节幅度。
VEP measurement of the amplitude of accommodation.
作者信息
Millodot M, Newton I
出版信息
Br J Ophthalmol. 1981 Apr;65(4):294-8. doi: 10.1136/bjo.65.4.294.
Abstract
The amplitude of accommodation was measured in 44 subjects by visually evoked potentials (VEP) in response to negative lenses. It was found that about two-thirds of the subjects responded to the lenses by increasing their accommodation in order to minimise blur, while the other one-third accepted the blur and accommodated very little. The amplitude was also determined subjectively (push-up method) and it correlated very well with the VEP measurement (r = 0.91). It is therefore suggested that VEP constitutes a feasible method of assessing objectively the amplitude of accommodation.
摘要
通过视觉诱发电位（VEP）对44名受试者进行负透镜反应的调节幅度测量。结果发现，约三分之二的受试者通过增加调节来应对透镜，以尽量减少模糊，而另外三分之一的受试者接受模糊且调节极少。调节幅度也通过主观方法（上推法）确定，且与VEP测量结果相关性非常好（r = 0.91）。因此，提示VEP是一种客观评估调节幅度的可行方法。
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