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

Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

896
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
896
Peripheral Nervous System: Ganglia and Nerves01:24

Peripheral Nervous System: Ganglia and Nerves

5.2K
The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
5.2K
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

327
Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
327
Peripherally and Centrally Acting Muscle Relaxants: A Comparison01:09

Peripherally and Centrally Acting Muscle Relaxants: A Comparison

4.5K
Skeletal muscle relaxants can target the central nervous system [CNS] to reduce muscle tension or act directly at the neuromuscular junction to induce temporary paralysis. These two classes of muscle relaxants are called centrally acting muscle relaxants and peripherally acting muscle relaxants. They differ in their action, mechanism, administration route, and clinical uses.
Centrally acting muscle relaxants can be further divided into spasmolytic and antispasmodic drugs. Spasmolytic...
4.5K
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

268
Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
268
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

385
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
385

You might also read

Related Articles

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

Sort by
Same author

Impact of peripheral optical errors in age-related macular degeneration.

Journal of optometry·2026
Same author

Peripheral refractive errors in pseudophakic eyes: <i>in vitro</i> evaluation and optical simulation.

Biomedical optics express·2026
Same author

Assessing Peripheral Focus in Myopes and Non-myopes: Introducing "Depth-of-refraction".

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2026
Same author

Asymmetry between nasal and temporal refraction with accommodation in myopes and emmetropes.

Biomedical optics express·2026
Same author

Roadmap on advances in visual and physiological optics.

Journal of optics (2010)·2025
Same author

Relative peripheral refraction with accommodation in 6- to 11-year-olds: baseline findings from the Stockholm Myopia Study.

Biomedical optics express·2025

Related Experiment Video

Updated: Jan 21, 2026

Subjective Refraction Test Using a Smartphone for Vision Screening
05:36

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

1.7K

Peripheral refraction and higher order aberrations.

Dmitry Romashchenko1, Robert Rosén2, Linda Lundström1

  • 1Department of Applied Physics, Royal Institute of Technology, Stockholm, Sweden.

Clinical & Experimental Optometry
|August 6, 2019
PubMed
Summary
This summary is machine-generated.

Peripheral optical errors increase with visual field eccentricity. Myopes exhibit more hyperopic peripheral refraction and poorer nasal image quality compared to emmetropes, impacting ocular correction design.

Keywords:
myopiaocular modulation transfer functionperipheral higher order aberrationsperipheral refractionretinal image quality

More Related Videos

Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System
08:48

Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System

Published on: December 21, 2016

9.1K
Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

8.0K

Related Experiment Videos

Last Updated: Jan 21, 2026

Subjective Refraction Test Using a Smartphone for Vision Screening
05:36

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

1.7K
Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System
08:48

Analysis of the Ambient Particulate Matter-induced Chromosomal Aberrations Using an In Vitro System

Published on: December 21, 2016

9.1K
Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

8.0K

Area of Science:

  • Ophthalmology and Vision Science
  • Optical Engineering
  • Human Physiology

Background:

  • Peripheral image quality is crucial for vision and myopia control.
  • Advancements in measuring peripheral optical errors have spurred research into off-axis aberrations.
  • Existing studies on peripheral ocular optical quality lack direct comparability.

Purpose of the Study:

  • To synthesize and compare data from multiple studies on peripheral ocular optical quality.
  • To establish a consistent analytical approach for population data on peripheral optical errors.
  • To summarize the current understanding of off-axis optical aberrations and their impact.

Main Methods:

  • Analysis of population data from 16 studies (over 2,400 eyes) using a consistent methodology.
  • Inclusion of refractive errors and higher-order monochromatic aberrations (Zernike coefficients) across the horizontal visual field.
  • Calculation of modulation transfer functions (MTFs) from individual wavefront data in three studies.

Main Results:

  • Optical errors increase with increasing visual field eccentricity.
  • Myopes show more hyperopic relative peripheral refraction and worse nasal image quality compared to emmetropes.
  • Modulation transfer functions are influenced by pupil shape and the number of Zernike terms, with cohort averages inflating results.

Conclusions:

  • Consistent analysis of peripheral optical data is vital for comparing studies.
  • Peripheral optical errors and image quality variations are significant in myopia and emmetropia.
  • Findings are critical for designing ocular corrections and developing optical eye models.