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相关概念视频

Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...

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相关实验视频

Updated: Jul 8, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

光学家指导的对比自动驾驶主观折射使用可调光学:量化专业人士的影响.

Raquel Salvador-Roger1, Abinaya Priya Venkataraman2, Vicente Micó1

  • 1Department of Optics and Optometry and Vision Sciences. University of Valencia. 46100 Burjassot, Spain.

Journal of optometry
|March 2, 2026
PubMed
概括

使用可调节液晶透镜 (TLL) 的自制 (DIY) 主观折射方法显示了与专业指导相比的准确性和视觉结果. 这种DIY方法为远程或混合眼科检查提供了一个可行的,可访问的选择.

关键词:
折射误差是指一个折射误差.自己折射的自我折射.主观的折射率 主观的折射率可调节的镜头镜头

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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

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相关实验视频

Last Updated: Jul 8, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Subjective Refraction Test Using a Smartphone for Vision Screening
05:36

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
05:14

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

科学领域:

  • 眼科和眼镜检查的眼科和眼镜检查
  • 光学工程是指光学工程.
  • 人类因素工程 人类因素工程

背景情况:

  • 主观折射对于确定折射误差至关重要.
  • 新型光学系统,如调节式液态透镜 (TLL),为先进的折射方法提供了潜力.
  • 评估以参与者为导向的方法是扩大人们获得眼科护理的关键.

研究的目的:

  • 评估专业指导对使用TLL和Stokes透镜的新主观折射技术的影响.
  • 为了比较临床医生指导的与参与者驱动的折射,以获得准确性,视觉结果和时间.

主要方法:

  • 66名参与者 (18-44岁) 使用相同的光学系统进行了单眼主观折射.
  • 测试了两个条件:由专业人士指导 (ORx) 和由参与者自己做 (DIY).
  • 使用统计方法分析了折射元件,视敏度和时间.

主要成果:

  • 这两种方法在折射力测量方面都表现出强烈的一致性.
  • 观察到一个小的系统偏差,在专业指导小组中,球体等价值略有更积极,时间更长.
  • 在ORx和DIY方法之间,在准确性或视觉结果方面没有发现统计学上显著的差异.

结论:

  • 使用TLL技术的参与者驱动的主观折射与专业指导相当.
  • DIY方法是混合或远程折射服务的可行,可访问的选择.
  • 临床医生监督提高了一致性,但DIY方法证明是可行的和有效的.