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相关概念视频

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...

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Simulated prosthetic vision confirms checkerboard as an effective raster pattern for epiretinal implants.

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Axonal stimulation affects the linear summation of single-point perception in three Argus II users.

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Nocturnal Respiratory Rate and Variability Predict Long-term Mortality in Stable Outpatients with Cardiovascular Disease.

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MOSAIC: Methylation-Oriented Site Analysis and Information Classifier for Robust Epigenomic Classification of Acute Leukemia in Clinical Cohorts with Variable Tumor Purity.

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Risk beliefs, intensive digital information and demand for a new preventative health product in public clinics: Evidence from an experiment in Zimbabwe.

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相关实验视频

Updated: Jun 24, 2026

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis
12:01

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

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将视觉假肢的发展与植入者的需求相协调.

Lucas G Nadolskis1, Lily M Turkstra2, Ebenezer Larnyo3

  • 1Interdepartmental Graduate Program in Dynamical Neuroscience, University of California, Santa Barbara.

medRxiv : the preprint server for health sciences
|April 1, 2024
PubMed
概括
此摘要是机器生成的。

像Argus II和Orion这样的视觉假肢由于可用性问题而未得到充分利用,而不是性能限制. 未来的设备需要改进视觉,智能集成和增强独立性,以便在现实世界中更好地应用.

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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

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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

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相关实验视频

Last Updated: Jun 24, 2026

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis
12:01

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

Published on: August 2, 2013

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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
06:58

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

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07:12

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

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329

科学领域:

  • 眼科医生 眼科 眼科
  • 生物医学工程 生物医学工程
  • 人与计算机的交互

背景情况:

  • 视觉假肢为视力丧失提供了希望.
  • 研究往往忽视了这些设备的实际,日常使用.
  • 缺乏对当前视觉植入物使用的系统理解.

研究的目的:

  • 探索接受者每天使用视觉植入物的情况.
  • 将植入者的经验与研究人员的期望进行比较.
  • 为了收集对未来视觉假肢开发的反.

主要方法:

  • 定性研究涉及采访六名视觉植入物接受者和六名研究人员.
  • 对面试数据进行主题分析.
  • 探索日常使用模式和期望的未来功能.

主要成果:

  • 植入物接受者使用视觉假肢的频率比研究人员预期的要少.
  • 可用性和可靠性问题导致接收者使用替代方法.
  • 未来植入物的关键期望特征包括改善视力,智能集成和更大的独立性.

结论:

  • 研究人员的期望和植入者与视觉假肢的经验之间存在很大的差距.
  • 未来的研究必须优先考虑可用性和现实世界的应用.
  • 将技术开发与用户需求相协调对于临床相关性至关重要.