Apparatus for Kinetic Visual Acuity and Dynamic Visual Acuity

动态视力测定仪和动态视力测定仪

• 批准号: 04557075
• 负责人: TOKORO Takashi
• 金额: $ 8.64万
• 依托单位: TOKYO MEDICAL & DENTAL UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research (B)
• 财政年份: 1992
• 资助国家: 日本
• 起止时间: 1992 至 1994
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-04557075/
• 关键词: KINETIC VISUAL ACUITY; DYNAMIC VISUAL ACUITY; VISUAL ACUITY; ACCOMMODATION; VERGENCE

We developed the apparatus for measuring kinetic visual acuity (KVA) , dynamic visual acuity (DVA) and visual acuity with short exposure time.The features are as follows :(1) The target velocity is variable in wide range from static up to 100km/h, in two direction forward and backward, horizontal. We can set in 7 stage of velocity in above range.(2) The target presented position are 70m-4m in forward and +-2.0 degrees in horizontal.(3) The exposure time is variable in 7 stages from 1/1000sec to 1sec.(4) The four target sizes are available, target colors can be selected from white, red, green, blue and yellow, background illuminance is in 0.1 to 200cd/m2.Further, We checked this apparatus performance and confirmed the performances.In addition, We measured the kinetic visual acuity for subjects. The results are : the kinetic visual acuity decreased slowly with increasing target velocity up to 100Km/h. The KVA also depends on background illuminance of target. From these, the developed apparatus is considered to be useful in solving ocular fatigue and traffic ophthalmology.

研制了动态视敏度（KVA）、动态视敏度（DVA）和短曝光时间视敏度测量仪。其特点如下：(1)目标速度在静态至100km/h的大范围内变化，有向前、向后、水平两个方向。我们可以在以上范围内设置7级速度。(2)目标呈现位置为前进方向70 -4m，水平方向+-2.0度。(3)曝光时间从1/1000秒到1秒可分为7级。(4)靶材尺寸可选，靶材颜色可选白、红、绿、蓝、黄，背景照度在0.1 ~ 200cd/m2。进一步，我们对该装置的性能进行了检查，并对其性能进行了确认。此外，我们测量了受试者的动态视敏度。结果表明：在100Km/h以内，随着目标速度的增加，运动视敏度逐渐降低。KVA还取决于目标的背景照度。由此可见，所研制的仪器可用于解决眼疲劳和交通眼科。

项目成果

奥山文雄: "調節のゆらぎ" 視覚の科学. 13. 167-174 (1992)

奥山文雄：“调节波动”视觉科学。13. 167-174 (1992)

MIWA. T, TOKORO.T: "Accommodative hysteresis of refractive errors in light and dark fields." Optom. Vis. Sci. 70. 323-327 (1993)

米瓦。

MIWA. T, TOKORO,T: "Dark focus of accommodation in children with accommodative esotropia and hyperopic anisometropia." Aota Ophthalmologica. 71. 819-824 (1993)

米瓦。

上川床総一郎、所敬、東洋、濱崎秀久、石田明允: "ウシ毛様体筋の収縮反応時間の特性" 視覚の科学. 15. 39-42 (1994)

Soichiro Kamikawadoko、Takashi Tokoro、Hidehisa Hamasaki、Akiyoshi Ishida：“牛睫状肌收缩反应时间的特征”《视觉科学》15. 39-42 (1994)。

丹波一司,奥山文雄、所敬: "動体視力と短時間提示視力の関係" 日本眼科学会誌. (投稿中).

Kazushi Tanba、Fumio Okuyama、Takashi Tokoro：“动态视力与短期呈现视力之间的关系”日本眼科学会杂志（目前正在提交）。