Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Visual Agnosia01:12

Visual Agnosia

203
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
203
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

6.0K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
6.0K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Expert consensus on fundus fluorescein angiography reporting in ophthalmology: a Delphi study.

The British journal of ophthalmology·2026
Same author

Response to: 'Re: impact of digital versus faxed e-referrals on triage decisions in a medical retina clinic'.

Clinical & experimental optometry·2026
Same author

Blood flow patterns in mice are regulated by interpericyte tunneling nanotubes connecting functionally-opposite neuronal areas.

Nature communications·2026
Same author

Geographic Atrophy on Fundus Autofluorescence and Color Fundus Photographs: Association with Deep Visual Sensitivity Losses.

Ophthalmology science·2026
Same author

Impact of digital versus faxed e-referrals on triage decisions in a medical retina clinic.

Clinical & experimental optometry·2026
Same author

Discrepancies between Fundus Photography and Multimodal Imaging in Mapping of Choroidal Tumor Borders.

Ophthalmology science·2026
Same journal

Dual-Hit Myopia Mechanism Unveiled by Multi-Omics: Opn1mw Deficiency Primed the Retina for Exaggerated Response to Environmental Defocus.

Investigative ophthalmology & visual science·2026
Same journal

Psychometric Performance of Children With Amblyopia During a Tablet-Based Adaptive Visual Acuity Assessment.

Investigative ophthalmology & visual science·2026
Same journal

The Molecular Basis of Ocular Aging: Mechanisms, Pathologies, and Emerging Therapeutics.

Investigative ophthalmology & visual science·2026
Same journal

Sensory Eye Dominance Remains Stable Across Binocular Combination and Rivalry in Normal and Anisometropic Amblyopic Vision.

Investigative ophthalmology & visual science·2026
Same journal

Exosome-Associated Gene Network and the Role of SPP1 in Herpes Stromal Keratitis and the Therapeutic Modulation by Ursolic Acid.

Investigative ophthalmology & visual science·2026
Same journal

Nonlinear Associations of Estimated Glucose Disposal Rate With Incident Age-Related Eye Diseases: Implications for Metabolic Risk Stratification.

Investigative ophthalmology & visual science·2026
查看所有相关文章

相关实验视频

Updated: Jul 5, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

6.4K

在地理缩中视觉敏感性损失:使用缺陷映射微波测量技术进行结构功能评估.

Zhichao Wu1,2, Xavier Hadoux1,2, Maxime Jannaud1

  • 1Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia.

Investigative ophthalmology & visual science
|January 19, 2024
PubMed
概括
此摘要是机器生成的。

缺陷映射微波测量有效量化了地理缩 (GA) 中的视觉敏感性损失. GA程度与视觉功能缺陷有很强的相关性,突出了这种方法.

更多相关视频

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

358
Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

611

相关实验视频

Last Updated: Jul 5, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

6.4K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

358
Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

611

科学领域:

  • 眼科医生 眼科 眼科
  • 视网膜疾病 视网膜疾病
  • 视觉功能测试 视觉功能测试

背景情况:

  • 地理缩 (GA) 是一种与年龄相关的黄斑变性晚期形式,导致不可逆转的视力丧失.
  • 了解GA中的结构功能关系对于开发有效的治疗方法至关重要.
  • 目前的方法可能无法完全捕捉视觉敏感性缺陷的空间范围.

研究的目的:

  • 研究具有地理缩 (GA) 的眼睛的结构功能关系.
  • 评估缺陷映射微波测量在量化视觉敏感性损失中的实用性.
  • 为了将GA的程度与视觉功能缺陷相关联.

主要方法:

  • 五十名患有GA的参与者在中心8°半径中接受了缺陷映射微波量测量.
  • 基底自光成像被用于评估GA程度.
  • 使用手动注释和图像共同注册来分析全球和本地结构功能关系.

主要成果:

  • 在全球范围内,GA程度显著解释了视觉功能缺陷 (R2 = 0.90).
  • 在GA边缘和结区内观察到视觉敏感性损失的概率更高.
  • 缺陷映射微波测量表明,损伤和结合区之间的视觉功能存在显著差异.

结论:

  • 缺陷映射微波测量有效地捕捉了GA的视觉功能变化.
  • 这项研究证实了基底自光学识别的GA区域的功能相关性.
  • 这种测试策略在评估新的GA治疗方面表现有前途.