Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Color Vision01:24

Color Vision

1.2K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.2K
Vision01:24

Vision

59.0K
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.
59.0K
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

9.1K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
9.1K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.3K
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,...
8.3K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

4.8K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
4.8K
Perceptual Constancy01:12

Perceptual Constancy

1.0K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Color vision.

Handbook of clinical neurology·2026
Same author

Asymmetries in hue percepts and early cortical color coding: Evidence from chromatic visual evoked potentials.

Journal of vision·2026
Same author

Face adaptation improves performance on a face search task.

Vision research·2026
Same author

Asymmetries in hue measured behaviorally and with visual evoked potentials.

bioRxiv : the preprint server for biology·2025
Same author

Color contrast adaptation and compensation in color deficiencies.

Journal of vision·2025
Same author

Visual search for warm and cool colors.

Journal of the Optical Society of America. A, Optics, image science, and vision·2025
Same journal

Increased rates of hybridization in swordtails are associated with water pollution.

Current biology : CB·2026
Same journal

Visual uncertainty and task demands shape active sensing strategies in mice.

Current biology : CB·2026
Same journal

An adaptable, self-organizing, single-cell morphology circuit optimizes suctorian predatory trap structure.

Current biology : CB·2026
Same journal

Temporal tuning of switch-like virulence expression resolves environmental uncertainty through phenotypic heterogeneity.

Current biology : CB·2026
Same journal

An abstract relational map emerges in the human medial prefrontal cortex with consolidation.

Current biology : CB·2026
Same journal

Phloem evolved gradually and asynchronously to xylem in early vascular plants.

Current biology : CB·2026
See all related articles

Related Experiment Video

Updated: Dec 11, 2025

Customizing a Cryolite Glass Prosthetic Eye
08:04

Customizing a Cryolite Glass Prosthetic Eye

Published on: October 31, 2019

11.2K

Color Vision: Glasses Half Full.

Michael A Webster1

  • 1Department of Psychology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, USA.

Current Biology : CB
|August 19, 2020
PubMed
Summary
This summary is machine-generated.

Individuals with color vision deficiencies experienced lasting changes in how they perceive color after wearing specialized glasses for a short period. This suggests potential neuroplasticity and new ways of interpreting visual information.

More Related Videos

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

76.4K
Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

4.8K

Related Experiment Videos

Last Updated: Dec 11, 2025

Customizing a Cryolite Glass Prosthetic Eye
08:04

Customizing a Cryolite Glass Prosthetic Eye

Published on: October 31, 2019

11.2K
How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

76.4K
Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

4.8K

Area of Science:

  • Vision science
  • Neuroscience
  • Ophthalmology

Background:

  • Color vision deficiency (CVD) affects millions globally.
  • Current management primarily focuses on assistive devices.
  • Limited understanding of long-term visual adaptation in CVD.

Purpose of the Study:

  • To investigate the impact of enhanced color contrast glasses on color vision in individuals with CVD.
  • To explore the potential for neuroplasticity and altered color perception.

Main Methods:

  • Participants with CVD wore specialized glasses for several days.
  • Pre- and post-intervention color vision tests were conducted.
  • Subjective reports on color perception changes were collected.

Main Results:

  • Significant long-term changes in color perception reported after brief wear.
  • Participants described experiencing color in novel ways.
  • Adaptation effects persisted beyond the intervention period.

Conclusions:

  • Enhanced color contrast glasses may induce lasting changes in color vision for individuals with CVD.
  • Suggests the brain can adapt and learn to interpret color signals differently.
  • Highlights potential for novel therapeutic strategies in vision rehabilitation.