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Related Concept Videos

Vision01:24

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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.
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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...
Three Developmental Domains01:29

Three Developmental Domains

Human development is typically examined across three main domains: physical, cognitive, and socio-emotional. These domains represent the significant areas of change and continuity throughout the lifespan, from infancy to late adulthood.
Physical Development
Physical processes, also known as maturation, encompass the biological changes that occur across an individual's life. These changes begin with genetic inheritance and continue through various stages, including growth in height and weight,...
Motivational Cycle01:20

Motivational Cycle

The motivational cycle is a key concept that explains how individuals are motivated to meet their needs. At its core, the cycle revolves around four distinct stages: need, drive, goal-directed behavior, and goal achievement. These stages respond to imbalances in the body or mind, prompting actions that restore balance.
The cycle begins with a need. This need can arise from various conditions, such as hunger, thirst, or temperature changes. For instance, when an individual feels cold, their body...

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A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
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A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Develop a vision.

Loretta Jones1, Barbara Meade, Keith Norris

  • 1Healthy African American Families II (HAAF), Los Angeles, CA 90008, USA. LJonesHAAF@aol.com

Ethnicity & Disease
|January 21, 2010
PubMed
Summary
This summary is machine-generated.

This study reviews tools and strategies for the Vision stage in community research. It focuses on developing a shared framework by identifying issues, stakeholders, and collaborative approaches for community benefit.

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Area of Science:

  • Community-based participatory research
  • Public health initiatives
  • Collaborative framework development

Background:

  • The Vision stage is critical for establishing a study's foundational framework.
  • Effective Vision development requires clear identification of issues, community, stakeholders, and approach.
  • Partnership sustainability hinges on shared perspectives and mutual benefits.

Purpose of the Study:

  • To review existing tools and strategies for the Vision stage of community research.
  • To provide guidance on developing an agreed-upon study framework.
  • To support the creation of sustainable community-researcher partnerships.

Main Methods:

  • Literature review of tools and strategies for the Vision stage.
  • Analysis of planning processes involving Framing Committees.
  • Examination of methods for achieving consensus and identifying shared benefits.

Main Results:

  • Identified key components of the Vision stage: issue identification, stakeholder engagement, and approach definition.
  • Highlighted the importance of collaborative planning and perspective-sharing.
  • Emphasized evaluation of Vision emergence and partnership strength.

Conclusions:

  • Effective Vision stage development is essential for successful community-engaged research.
  • Utilizing structured tools and strategies enhances partnership building and community benefit.
  • Continuous evaluation supports the long-term success of collaborative initiatives.