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

7.7K
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...
7.7K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

11.2K
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,...
11.2K
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

4.6K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
4.6K
Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

29.1K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
29.1K

You might also read

Related Articles

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

Sort by
Same author

Joint trajectories of ADHD and autistic traits in preschoolers linked to prenatal phthalate exposure: insights from the cord blood metabolome.

Environment international·2026
Same author

Associations of prenatal individual and mixture per- and polyfluoroalkyl substances (PFAS) exposures with fetal growth trajectories: Modifying effects of maternal micronutrient status.

Environmental research·2026
Same author

Identifying critical windows and sex-specific effects of periconceptional exposure to fine particulate matter and temperature on fetal growth trajectories: A longitudinal birth cohort study.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Weekday daylight exposure buffers against depressive and anxiety symptoms in children: Evidence from a prospective cohort study.

Journal of affective disorders·2026
Same author

Windows of susceptibility and the modifying role of residential greenness in the association between prenatal exposure to non-optimal temperatures and infant BMIZ trajectories.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Pan-membrane pyroptosis of liver induced by gasdermin-encoding mRNAs.

National science review·2026

Related Experiment Video

Updated: Apr 14, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.5K

Elevated light levels in schools have a protective effect on myopia.

Wen-Juan Hua1, Ju-Xiang Jin, Xiao-Yan Wu

  • 1School of Public Health, Anhui Medical University, Hefei, China.

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|April 28, 2015
PubMed
Summary

Elevated classroom lighting in rural Chinese schools reduced myopia onset and progression in children. Improved lighting is recommended to protect children's vision and prevent myopia development.

Keywords:
childrenenvironmentlightmyopiaschools

More Related Videos

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
05:56

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

Published on: April 3, 2016

9.4K
Inducement and Evaluation of a Murine Model of Experimental Myopia
07:20

Inducement and Evaluation of a Murine Model of Experimental Myopia

Published on: January 22, 2019

10.6K

Related Experiment Videos

Last Updated: Apr 14, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.5K
Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
05:56

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

Published on: April 3, 2016

9.4K
Inducement and Evaluation of a Murine Model of Experimental Myopia
07:20

Inducement and Evaluation of a Murine Model of Experimental Myopia

Published on: January 22, 2019

10.6K

Area of Science:

  • Ophthalmology
  • Public Health
  • Pediatrics

Background:

  • Myopia, or nearsightedness, is a growing public health concern among children worldwide.
  • Environmental factors, such as lighting conditions in schools, are increasingly recognized as potential contributors to myopia development and progression.

Purpose of the Study:

  • To investigate the impact of elevated classroom light levels on the incidence and progression of myopia in school-aged children in rural China.

Main Methods:

  • A 1-year intervention study involving 317 students (aged 6-14) in four rural Chinese schools.
  • Two schools received upgraded lighting systems (intervention group), while two maintained existing lighting (control group).
  • Comprehensive eye examinations, including refraction and ocular biometry (axial length, corneal curvature), were conducted.

Main Results:

  • The intervention group showed a significantly lower incidence of new myopia onset (4% vs. 10%) and less myopic shift in refractive error compared to the control group.
  • Elevated lighting was associated with reduced axial elongation in both non-myopic and myopic children.
  • Factors like baseline refraction, parental education, sleep duration, and screen time also influenced refractive changes.

Conclusions:

  • Improving ambient light levels in classrooms can significantly reduce myopia onset and progression in school-aged children.
  • The findings support the implementation of enhanced lighting interventions in schools to mitigate myopia.