瞳孔扩张确实会影响白天驾驶表现的某些方面。
Pupil dilatation does affect some aspects of daytime driving performance.
作者信息
Wood J M, Garth D, Grounds G, McKay P, Mulvahil A
机构信息
Centre for Eye Research, School of Optometry, Queensland University of Technology, Brisbane, Queensland, Australia.
出版信息
Br J Ophthalmol. 2003 Nov;87(11):1387-90. doi: 10.1136/bjo.87.11.1387.
AIMS
To examine the effects of pupil dilatation on driving performance and determine whether this was related to changes in standard measures of visual function.
METHODS
The driving and vision performance of 16 young, visually normal participants was measured with both normal and dilated pupils. Pupils were dilated with 1% tropicamide. Driving performance was measured under daytime conditions on a closed road circuit that was free of other vehicles and has been used in previous studies of driving performance. Measures included road sign detection and recognition, hazard detection and avoidance, gap perception and negotiation, driving reaction times and time to complete the circuit. Visual performance measures included high contrast visual acuity, Pelli-Robson letter contrast sensitivity, and glare sensitivity.
RESULTS
Pupil dilatation significantly (p<0.05) decreased the ability of participants to recognise low contrast hazards and avoid them, decreased their visual acuity and contrast sensitivity and increased glare sensitivity. The decreases in vision performance were not, however, significantly related to the decrement in driving performance.
CONCLUSION
Pupil dilatation can impair selected aspects of driving and vision performance and patients should be cautioned about these possible effects.
目的
研究瞳孔散大对驾驶性能的影响，并确定这是否与视觉功能标准测量指标的变化有关。
方法
对16名视力正常的年轻参与者在瞳孔正常和散大状态下的驾驶和视觉性能进行测量。使用1%托吡卡胺使瞳孔散大。在白天条件下，在一条没有其他车辆的封闭道路上测量驾驶性能，该道路曾用于以往的驾驶性能研究。测量指标包括道路标志检测与识别、危险检测与规避、间隙感知与通过、驾驶反应时间以及完成回路的时间。视觉性能测量指标包括高对比度视力、佩利-罗布森字母对比度敏感度和眩光敏感度。
结果
瞳孔散大显著（p<0.05）降低了参与者识别低对比度危险并避免危险的能力，降低了他们的视力和对比度敏感度，同时增加了眩光敏感度。然而，视觉性能的下降与驾驶性能的下降并无显著关联。
结论
瞳孔散大可能损害驾驶和视觉性能的某些方面，应告知患者这些可能的影响。
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