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 Experiment Videos

Objective blur thresholds in free space for different refractive groups.

Balamurali Vasudevan1, Kenneth J Ciuffreda, Bin Wang

  • 1Department of Vision Sciences, SUNY/State College of Optometry, New York, New York 10036, USA. bvasudevan@sunyopt.edu

Current Eye Research
|February 28, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Macular Pigment Optical Density as a Measurable Modifiable Clinical Biomarker.

Nutrients·2024
Same author

Effect of Lipiflow (Thermal Pulsation) on Ocular Surface Disease Management After Cataract Surgery.

Clinical ophthalmology (Auckland, N.Z.)·2024
Same author

Intraocular Pressure and Myopia Progression, Axial Length Elongation in Rural Chinese Children.

Optometry and vision science : official publication of the American Academy of Optometry·2023
Same author

A comparative study of the prevalence of myopia and behavioral changes in primary school students.

BMC ophthalmology·2022
Same author

Elementary school comprehensive intervention and myopia development: the Wenzhou Epidemiology of Refraction Error Study.

International journal of ophthalmology·2022
Same author

Analysis of the Reliability and Repeatability of Distance Visual Acuity Measurement with EyeSpy 20/20.

Clinical ophthalmology (Auckland, N.Z.)·2022
Same journal

Current Experimental Methods for Restoration of the Tear Film.

Current eye research·2026
Same journal

Apolipoprotein C3 Promotes Retinal Angiogenesis via the MYC Pathway in Hypoxia.

Current eye research·2026
Same journal

Possible Causal Association Between Thyroid-Related Traits and Diabetic Retinopathy Risk: Evidence From 23 Medication-Taking Traits.

Current eye research·2026
Same journal

Linking Microstructure to Mechanics in ICG-Stained Lens Capsules: Insights from Nanoindentation to Electron Microscopy.

Current eye research·2026
Same journal

Corneal Sensitivity, Sub-Basal Corneal Nerve Plexus, and Tear Neuropeptides in Symptomatic Versus Asymptomatic Visual Display Terminal Users.

Current eye research·2026
Same journal

Selective Laser Trabeculoplasty Mitigates Dexamethasone-Induced Myofibroblast-Like Transformation and Dysfunction in Human Trabecular Meshwork Cells.

Current eye research·2026
See all related articles

Myopes (MYO) and hyperopes (HYP) have a larger objective depth-of-focus (DOF) than emmetropes (EMM). This finding supports theories that sustained retinal defocus may contribute to myopia development.

Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Background:

  • Depth-of-focus (DOF) is crucial for visual acuity.
  • Understanding refractive error influences on DOF is important for myopia progression research.

Purpose of the Study:

  • To measure the objective depth-of-focus (DOF) in myopes (MYO).
  • To compare objective DOF in myopes with emmetropic (EMM) and hyperopic (HYP) individuals.

Main Methods:

  • Objective DOF was measured in 35 young adults (16 MYO, 13 EMM, 6 HYP) using the Power Refractor (PR II).

Main Results:

  • Myopes and hyperopes exhibited a larger objective DOF compared to emmetropes.
  • The larger DOF in myopes aligns with previous subjective DOF studies.

Related Experiment Videos

Conclusions:

  • Increased objective DOF in myopes may be linked to myopia development through sustained retinal defocus.
  • Hyperopes show relative resistance to increased retinal defocus, consistent with prior research.