主视眼非视觉优势与视疲劳的相关性观察

目的探讨主视眼非视觉优势与视疲劳的相关性。方法符合视疲劳诊断标准的门诊患者共956例。用卡洞法确定患者的主视眼,进行视觉优势的确定并进行非视觉优势的原因分析,对主视眼及非主视眼的各视级视力进行统计学处理。结果右眼主视眼者为702例,占73.4%;左眼主视眼者为254例,占26.6%;视疲劳的原因中屈光不正包括屈光参差、角膜结膜病、玻璃体混浊及早中期白内障、斜视及隐斜4项占总量的50%,不明原因的约占8%;主视眼非视觉优势是引起视疲劳的重要因素,在本组中主视眼非视觉优势总计588例,占总视疲劳患者的61.5%,屈光不正包括屈光参差、角膜结膜病、玻璃体混浊及早中期白内障是引起主视眼非视觉优势的主要原因;主视眼及非主视眼的视力呈弧形分布,低视力级(0.5视力以下)及高视力级(0.9视力以上)的病例数(眼数)相对较少,0.6～0.8视力级的患者总计为1104只眼,占总数的57.74%,提示在0.6～0.8视力级视疲劳有高发趋势,0.8及以上视力段的主视眼非视觉优势眼为958只眼,约占总数的50%,此阶段的视力差表现的较为明显。经统计学处理,主视眼的视觉优势明显差于非主视眼(P<0.001),主视眼的非视觉优势在视疲劳的发生中有着临床意义。结论主视眼非视觉优势与视疲劳具有相关性。

Advantages of non-dominant eye visual fatigue and visual observation of the correlation

Objective To explore the advantages the dominant eye and non-visual correlation of visual fatigue.Methods The diagnostic criteria of fatigue in patients with a total of 956 cases of out-patient.Determined with the hole cards of patients with the dominant eye,the visual advantages of the advantages identified and the reasons for non-visual analysis,the dominant eye and non-dominant eye,as the level of visual acuity for statistical analysis.Results Right eye dominant eye were 702 cases,accounting for 73.4%;left eye dominant eye were 254 cases,accounting for 26.6%;as causes of fatigue include anisometropia,refractive errors,corneal conjunctival disease,term vitreous opacities early mid-cataract,strabismus and phoria four accounted for 50% of the total,or about 8% of unknown causes;dominant eye is caused by non-visual advantages as an important factor in fatigue,in this group of non-dominant eye to the visual advantages a total of 588 cases,accounted for 61.5% of patients with asthenopia,refractive errors include anisometropia,corneal conjunctival disease,by early mid-term cataract,vitreous opacity is caused non-dominant eye to the main visual advantages;dominant eye and non-dominant eye vision was arc shaped distribution,low-level vision(visual acuity 0.5 or less) and high-level vision(visual acuity 0.9 or above) the number of cases(number of eyes) is relatively small,0.6 to 0.8 visual acuity level of patients totaled 1104,accounting for 57.74%,suggesting that eye level in the 0.6 to 0.8 depending on the trend of high incidence of fatigue,vision and above in paragraph 0.8 of the dominant eye for the non-dominant eye vision 958,representing about 50%,this phase of the performance of the more obvious visual difference.Statistically,the dominant eye to the visual advantages significantly worse than non-dominant eye(P<0.001),the non-dominant eye visual fatigue visual advantages in the occurrence of clinical significance has.Conclusion Advantages of the dominant eye is correlated with non-visual asthenopia relevant.