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目的:研究持续观看3D电视对视功能的影响,以及探索不同视功能参数之间的关系。方法:本研究录入19位受试者,每位受试者观看90分钟的2D电视或90分钟的3D电视,两部电视观看间隔时间为一周,顺序随机。每次观看电视前及观看后15min内都做相关视功能检查,检查包括以下四种视功能参数:调节功能(调节反应、调节微波动、调节灵敏度、正相对调节、负相对调节、AC/A),融像性聚散功能(远距负融像性聚散功能、远距正融像性聚散功能、近距负融像性聚散功能、近距正融像性聚散功能),隐斜量(远距隐斜量、近距隐斜量),立体视。结果:无论是与观看前的基础值比较,还是与观看2D电视后的数据比较,观看3D电视后近距离调节反应增加,汇聚减少,远距隐斜量向外隐斜改变(P<0.05)。结论:持续观看3D电视会对人们的视功能有一定影响,主要是打破了调节和聚散系统的平衡。厂家和公众应该引起重视,将调节功能、融像性聚散功能、隐斜量等参数作为评估3D电视安全性的指标。
OBJECTIVE: To study the effect of continuous 3D TV viewing on visual function and to explore the relationship between different visual function parameters. METHODS: Twenty-nine subjects were enrolled in this study. Each participant watched a 90-minute 2D or 90-minute 3D television view of each subject at random intervals of one week apart. Each time before watching TV and within 15min after watching do visual function test, check the following four kinds of visual function parameters: adjustment function (adjust the reaction, adjust the microwave, adjust the sensitivity, positive relative regulation, negative relative regulation, AC / A ), Fusion-like polygamy (long-distance negative fusion function, long distance fusion function, short-distance negative fusion function, short-distance fusion function) Hidden amount of deviation (distance hidden amount, close hidden amount), stereoscopic. Results: Compared with the baseline before watching or after watching TV with 2D TV, the close adjustment reaction increased, the convergence decreased and the distance phoria changed outwardly after viewing 3D TV (P <0.05) . CONCLUSIONS: Continuing to watch 3D TVs has some effect on people’s visual function, mainly breaking the balance of regulatory and vergence systems. Manufacturers and the public should pay attention to the regulation function, the fusion function, the amount of hidden oblique and other parameters as an indicator of the safety of 3D TVs.