Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Focusing of Light in the Eye

Focusing of Light in the Eye

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...

You might also read

Related Articles

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

Sort by

Same author

Rotational Stability and Vault Outcomes of the EVO ICL Using Oblique Implanting Orientation Compared to Horizontal/Vertical Implanting Orientation.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026

Same author

Long-Term Evaluation of Contrast Sensitivity and Vision Quality for High and Extreme High Myopia After EVO ICL Implantation.

Clinical ophthalmology (Auckland, N.Z.)·2026

Same author

Sterile Anterior Segment Inflammation Associated With Sulcus-Supported Phakic IOL Surgery.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026

Same author

Exploring the bidirectional relationships between MRI resting-state functional connectivity networks and cardiovascular diseases: a Mendelian randomization study.

Brain informatics·2025

Same author

Brillouin Metrics of the Crystalline Lens Comparison Between Low-Medium Myopia and High Myopia.

Clinical ophthalmology (Auckland, N.Z.)·2025

Same author

A Novel Grasping Robot Control Method Using Motion Execution BCI Combining Knowledge Reasoning.

IEEE journal of biomedical and health informatics·2025

Search research articles

Related Experiment Video

Updated: Jun 26, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Visual field does not affect steady-state accommodative response and near-work induced transient myopia.

Peijun Yao¹, Shiqiang Yang, Bai-chuan Jiang

¹Fudan University, Eye and ENT Hospital, Shanghai, China.

Vision Research

|January 14, 2009

Summary

Peripheral retinal defocus does not impact the eye's focusing ability. However, progressing myopes show more near-work induced transient myopia, suggesting myopia development may not involve the accommodative system.

More Related Videos

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

Related Experiment Videos

Last Updated: Jun 26, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

Published on: February 23, 2024

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

Area of Science:

Ophthalmology
Optometry
Vision Science

Background:

Myopia development is a complex process.
The role of peripheral retinal defocus in myopia is debated.
Accommodation, the eye's focusing ability, is a potential factor.

Purpose of the Study:

To determine if peripheral retinal defocus influences accommodative function in myopia development.
To compare accommodative responses between emmetropes, stable myopes, and progressing myopes under varying visual field conditions.

Main Methods:

Measured steady-state accommodative stimulus response curve (ASRC).
Assessed near-work induced transient myopia (NITM) after a near visual task.
Compared these measures across different visual field conditions in emmetropes (EMMs), stable myopes (SMs), and progressing myopes (PMs).

Main Results:

Visual field conditions did not affect ASRC or NITM.
Progressing myopes (PMs) demonstrated significantly greater NITM compared to emmetropes (EMMs) and stable myopes (SMs).

Conclusions:

Peripheral retinal defocus does not appear to influence the overall accommodative system.
The contribution of peripheral defocus to myopia progression is unlikely to be mediated through the accommodative system.