融像性聚散功能障碍者观看3D影像后视疲劳和动眼参数的变化  

Change of ocular motor parameters and visual fatigue of subjects with fusional vergence dysfunction after viewing 3D images

作　　者：刘珠珠 魏瑞华[1] 林伟平 张洪波 贺美男 

机构地区：[1]天津医科大学眼科医院天津医科大学眼视光学院,天津市300384

出　　处：《眼科新进展》2015年第11期1044-1046,1050,共4页Recent Advances in Ophthalmology

基　　金：国家自然科学基金资助(编号:81100646);天津市科委自然科学基金资助(编号:11JCYBJC26000)~~

摘　　要：目的观察融像性聚散功能障碍者在观看3D影像后动眼参数的变化情况,并探讨其与视疲劳的相关性。方法本研究为病例对照研究,选取37名青年受试者,按其融像性聚散能力分为2组:视功能正常(normal visual function,NVF)组21人,融像性聚散功能障碍(fusional vergence dysfunction FVD)组16例。两组受试者观看40 cm处3D影像前和观影1 h后分别行动眼参数的测量,包括单眼调节幅度、梯度性调节性集合/调节(accommodation convergence/accommodation,AC/A)值、观看距离所对应的近距隐斜量、融像幅度以及视疲劳的主观问卷。结果两组人观看3D影像后均出现视疲劳,FVD组视疲劳问卷得分高于NVF组(P=0.012)。NVF组观影前后的单眼调节幅度分别为(12.49±1.37)D、(12.07±1.31)D;近距隐斜量分别为-3.02△±1.70△、-4.71△±1.51△,差异均有统计学意义(均为P<0.001);融像幅度分别为51.81△±6.93△、50.90△±7.57△,差异无统计学意义(P=0.059)。FVD组观影前后的单眼调节幅度分别为(12.33±1.70)D、(11.66±1.81)D;近距隐斜量分别为-3.13△±2.31△、-4.41△±2.59△,差异均有统计学意义(均为P<0.001);融像幅度分别为37.75△±6.72△、34.25△±7.37△,差异有统计学意义(P<0.001)。NVF组与FVD组观影前后AC/A均未发生显著性变化(P=0.631,P=0.245)。观影前后单眼调节幅度改变量、近距隐斜量改变量、AC/A改变量在NVF组和FVD组间差异均无统计学意义(均为P>0.05),且所有受试者观影前后近距隐斜量改变量与视疲劳程度无相关性(rs=0.021,P=0.904)。而观影前后融像幅度的改变量在NVF组-1.00△(-2.50△~1.50△)和FVD组-3.50△(-5.00△^-2.25△)间差异有统计学意义(P=0.001)。结论观看3D影像会导致视疲劳及单眼调节幅度、近距隐斜量和融像幅度的变化;融像性聚散障碍者较视功能正常者观影后融像幅度下降更明显,视疲劳更严重。融像幅度可作为预测和评估观影像后视疲劳程度�Objective To investigate the changes of ocular motor parameters and visual fatigue in fusional vergence dysfunction after viewing 3D images and its cor- relation with visual fatigue. Methods A case control study. A total of 37 young adults were enrolled. According to fusional vergence ability, they were divided into normal vis- ual function （NVF） group （ n = 21 ） and fusional vergence dysfunction （ FVD ） group （ n = 16）. Before and after viewing 3D images at 40 cm for 1 hour,monocular accommodation amplitudes, near heterophoria, AC/A ratio, fusional amplitude and subjective symptoms were examined,respectively. Results Viewing 3D images causes subjective visual fa- tigue in both groups and the score of visual fatigue was significantly higher in FVD group than NVF group （P = 0.012 ）. In NVF group, the monocular accommodation ampli- tudes before and after viewing 3 D images were （ 12.49 ± 1.37 ） D and （ 12.07 ± 1.31 ） D, near heterophoria were （ - 3.02 ± 1.70） A and （ - 4.71 ± I. 51 ） △ （ all P 〈 0.001 ）, fusion- al amplitude were （ 51.81 ± 6.93 ） A and （ 50.90 ± 7.57 ） A （ p = 0.059 ）. In FVD group, the monocular accommodation amplitudes before and after viewing 3D images were （ 12.33±1.70 ） D and （ 11.66 ± 1.81 ） D, near heterophoria were （ - 3.13 ± 2.31 ） △ and （ - 4.41 ± 2.59 ）△, fusional amplitude were （ 37.75 ± 6.72 ） A and （ 34.25 ± 7.37 ） △ （ all P 〈 0. 001 ）, while the AC/A didn＇ t show significant difference in both groups. Compa- ring with FVD group, the change of monocular accommodative magnitude, near hetero- phoria and AC/A in NVF group didn＇ t show statistically significant difference （ all P 〉 0. 05 ） and there was no correlation between the change near heterophoria and score of visual fatigue for all subjects（ rs =0.021 ,P =0.904 ）. While the change of fusional ampli- tude in NVF group - 1.00△ （ - 2.50△ to 1.50△ ） and FVD group - 3.50△（ - 5.00△ to - 2.25 △ ） were

关 键 词：3D影像 视疲劳 动眼参数 融像幅度 

分 类 号：R743.3[医药卫生—神经病学与精神病学]