Impact of Target Distance, Target Size, and Visual Acuity on the Video Head Impulse Test.
Impact of Target Distance, Target Size, and Visual Acuity on the Video Head Impulse Test.
复制标题
DOI：
10.1177/0194599818779908
复制
发表时间：
2018-10
期刊：
影响因子：
--
通讯作者：
Janky KL
中科院分区：
文献类型：
--
作者：
Judge PD;Rodriguez AI;Barin K;Janky KL
视频头部冲动测试(VHIT)评估前庭眼球反射。很少有人评估环境因素或视力是否会影响vHIT。本研究的目的是评估靶点距离、靶点大小和视力对vHIT结果的影响。38例正常对照组和8例前庭功能丧失(VL)患者。VHIT在3个距离、3个靶点大小下完成。根据视力对正常对照组进行细分。矫正的扫视频率、矫正的扫视幅度和增益被列在表格中。在正常对照组，靶点大小和视力对任何vHIT结果参数都没有显著影响；然而，随着靶点距离的减小，增益增加。与对照组相比，VL组的矫正眼跳频率和幅度更高，而增益更低。总之，减少靶距离会增加正常对照组的增益，但不会增加VL受试者的增益。初步来说，视力不会影响vHIT的结果。
The video head impulse test (vHIT) assesses the vestibuloocular reflex. Few have evaluated whether environmental factors or visual acuity influence the vHIT. The purpose of this study was to evaluate the influence of target distance, target size, and visual acuity on vHIT outcomes. Thirty-eight normal controls and 8 subjects with vestibular loss (VL) participated. vHIT was completed at 3 distances and with 3 target sizes. Normal controls were subdivided on the basis of visual acuity. Corrective saccade frequency, corrective saccade amplitude, and gain were tabulated. In the normal control group, there were no significant effects of target size or visual acuity for any vHIT outcome parameters; however, gain increased as target distance decreased. The VL group demonstrated higher corrective saccade frequency and amplitude and lower gain as compared with controls. In conclusion, decreasing target distance increases gain for normal controls but not subjects with VL. Preliminarily, visual acuity does not affect vHIT outcomes.
登录
查看更多内容
影响因子：
3.4
作者：
McGarvie LA;MacDougall HG;Halmagyi GM;Burgess AM;Weber KP;Curthoys IS
通讯作者：
Curthoys IS
影响因子：
9.9
作者：
MacDougall, H. G.;Weber, K. P.;Curthoys, I. S.
通讯作者：
Curthoys, I. S.
影响因子：
2.6
作者：
Kim, Tae Hwan;Kim, Min-Beom
通讯作者：
Kim, Min-Beom
DOI：
10.1097/mao.0000000000001751
发表时间：
2018-04
期刊：
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
影响因子：
--
作者：
Janky KL;Patterson J;Shepard N;Thomas M;Barin K;Creutz T;Schmid K;Honaker JA
通讯作者：
Honaker JA
DOI：
10.1097/mao.0000000000000610
发表时间：
2015-02
期刊：
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
影响因子：
--
作者：
Li C;Layman AJ;Geary R;Anson E;Carey JP;Ferrucci L;Agrawal Y
通讯作者：
Agrawal Y