Mezzalira Raquel, Bilécki Márcia Maria do Carmo, Gontijo Breno Pardini, Slusser James E, Bernarde George Eduardo Camare, Maudonnet Oscar Antônio Queiroz
Department of Otorhinolaryngology-Head and Neck Surgery, State University of Campinas, São Paulo, Brazil.
Int Tinnitus J. 2007;13(2):152-6.
The study of oculomotricity is performed by evaluating three systems: saccadic ocular movements (SOMs), optokinetic nystagmus (OKN), and smooth pursuit eye movements (SPEMs). Our aim was to study oculomotricity in patients with a complaint of only tinnitus and to compare it with the value of our control group. We studied the SOMs, OKN, and SPEMs in 25 patients complaining only about tinnitus and in 35 normal adults and compared the results. The data analysis showed a significant difference in the value of the SOMs and SPEMs between the two groups. Sensorineural tinnitus can originate in the organ of Corti, in the cochlear nerve, or in the auditory pathways of the central nervous system. The auditory cortex connects with visual areas and with the superior colliculus. The latter structure is involved in the origin of SOMs and OKN. In our study, we found an increased delay in saccadic tests. In the SPEMs, we observed an increase in the degree of distortion, and a reduction in the gain. This outcome is in accordance with the literature. However, we detected a few alterations in the OKN, and this finding is in partial agreement with the studies analyzed. Alterations in oculomotricity can indicate involvement of the central nervous system in patients with a complaint of only tinnitus.
眼球跳动性眼运动（SOMs）、视动性眼球震颤（OKN）和平滑跟踪眼运动（SPEMs）。我们的目的是研究仅有耳鸣主诉的患者的眼球运动功能，并将其与我们对照组的值进行比较。我们研究了25例仅主诉耳鸣的患者以及35例正常成年人的SOMs、OKN和SPEMs，并比较了结果。数据分析显示两组之间SOMs和SPEMs的值存在显著差异。感音神经性耳鸣可起源于柯蒂氏器、耳蜗神经或中枢神经系统的听觉通路。听觉皮层与视觉区域以及上丘相连。后一种结构参与了SOMs和OKN的起源。在我们的研究中，我们发现眼球跳动测试中的延迟增加。在SPEMs中，我们观察到扭曲程度增加，增益降低。这一结果与文献一致。然而，我们在OKN中检测到了一些改变，这一发现与所分析的研究部分一致。眼球运动功能的改变可能表明仅有耳鸣主诉的患者中枢神经系统受累。
