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

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

3.4K
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...
3.4K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

744
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
744
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

882
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
882
Distance Corrections01:15

Distance Corrections

108
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
108

You might also read

Related Articles

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

Sort by
Same author

Single-nuclei UPR profiling by flow cytometry reveals bortezomib resistance mechanisms in multiple myeloma.

EMBO molecular medicine·2026
Same author

Subretinal Gene Therapy for X-Linked Retinoschisis.

The New England journal of medicine·2026
Same author

High-throughput production of microbatteries by a stack-punching method.

Nature communications·2026
Same author

Randomized Clinical Trial of Diffusion Optics Technology Spectacle Lenses in a Chinese Population (CATHAY): 12-Month Results.

Ophthalmology science·2026
Same author

Electrophysiological and morphological alteration in the visual pathway of children with attention-deficit/hyperactivity disorder.

Frontiers in psychiatry·2026
Same author

Myopia control efficacy of annular microstructure defocus spectacle lenses: a 1-year multicenter study.

BMC ophthalmology·2026
Same journal

Impact of Subretinal Drusenoid Deposits on Ellipsoid Zone-Related Thickness Metrics.

Investigative ophthalmology & visual science·2026
Same journal

Proteomic Profiling of Optic Nerves From SMOX-Deficient Mice Identifies Regulators of Neuroinflammation and Axonal Damage in Optic Neuritis.

Investigative ophthalmology & visual science·2026
Same journal

Aflibercept and Faricimab Equipotently Restore Endothelial Barrier Function.

Investigative ophthalmology & visual science·2026
Same journal

Spatial Decomposition of Longitudinal RNFL Maps Reveals Distinct Modes of Glaucomatous Progression With Structure-Function and Genetic Signatures.

Investigative ophthalmology & visual science·2026
Same journal

The CXXC1-IGFBP6 Axis Maintains Corneal Epithelial Differentiation via H3K4me3-Dependent Transcriptional Activation.

Investigative ophthalmology & visual science·2026
Same journal

Archetypal Visual Field Analysis of Patients With Chronic Leber Hereditary Optic Neuropathy in Relation to Visual Recovery.

Investigative ophthalmology & visual science·2026
See all related articles

Related Experiment Video

Updated: Oct 9, 2025

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
05:46

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

Published on: September 20, 2024

550

Delayed Correction for Extrapolation in Amblyopia.

Xi Wang1,2, Meng Liao1,2, Yutong Song1,2

  • 1Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.

Investigative Ophthalmology & Visual Science
|December 21, 2021
PubMed
Summary
This summary is machine-generated.

Amblyopic patients show impaired motion extrapolation, demonstrated by a larger flash grab effect (FGE). Their visual system struggles to correct overextrapolation, suggesting a spatiotemporal processing deficit.

More Related Videos

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

317
The Measurement and Treatment of Suppression in Amblyopia
08:34

The Measurement and Treatment of Suppression in Amblyopia

Published on: December 14, 2012

50.3K

Related Experiment Videos

Last Updated: Oct 9, 2025

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
05:46

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

Published on: September 20, 2024

550
Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

317
The Measurement and Treatment of Suppression in Amblyopia
08:34

The Measurement and Treatment of Suppression in Amblyopia

Published on: December 14, 2012

50.3K

Area of Science:

  • Visual neuroscience
  • Ophthalmology
  • Perception

Background:

  • Amblyopia is associated with deficits in visual processing.
  • Motion extrapolation mechanisms may be impaired in amblyopic individuals.

Purpose of the Study:

  • Investigate motion extrapolation in amblyopia using the flash grab effect (FGE).
  • Determine if the amblyopic visual system can correct overextrapolation.

Main Methods:

  • Measured monocular FGE magnitude in 13 amblyopes and 13 controls.
  • Tested various spatial frequencies, texture configurations, and speeds.
  • Assessed luminance effects on FGE in control subjects.

Main Results:

  • Amblyopes exhibited significantly larger FGE magnitude in both fellow and amblyopic eyes.
  • The amblyopic eye showed a greater FGE than the fellow eye.
  • Reduced luminance decreased FGE, with amblyopes' FGE matching controls under low light.

Conclusions:

  • Amblyopia involves impaired overextrapolation correction, indicated by a larger FGE.
  • This deficit may stem from delayed visual processing in the amblyopic visual system.