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

Corneal shape in hyperopia.

Julia C Mainstone1, Leo G Carney, Corey R Anderson

  • 1School of Optometry, Queensland University of Technology, Victoria Park Road, Kelvin Grove, Queensland, 4059, Australia.

Clinical & Experimental Optometry
|December 17, 2002
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

An X-linked long non-coding RNA, PTCHD1-AS, and the core features of autism.

Nature·2026
Same author

ERG is a regulator of dynamic and reversible endothelial plasticity.

Genome medicine·2026
Same author

ARP2/3 complex mediates the neuropathology of PTEN-deficient human neural cells downstream of mTORC1 and mTORC2 hyperactivation.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Tutorial: annotation of animal genomes.

Nature protocols·2026
Same author

Hookworm genomic diversity and population structure from accessible sample types: A validated approach to generate genome-wide polymorphism datasets from individual third-stage larvae.

bioRxiv : the preprint server for biology·2026
Same author

Topoisomerase IIb binding delineates localized mutational processes and driver mutations in cancer genomes.

Nature communications·2025
Same journal

An international survey of low vision rehabilitation services.

Clinical & experimental optometry·2026
Same journal

Readiness of the tabletop screen-based perimetry tests for screening and monitoring glaucoma.

Clinical & experimental optometry·2026
Same journal

Validation of the vision quality of life-time survey: comparison with the convergence insufficiency symptom survey.

Clinical & experimental optometry·2026
Same journal

Measuring contrast sensitivity in school children and young adults: a comparison between Pelli-Robson and SpotChecks charts.

Clinical & experimental optometry·2026
Same journal

Three-year retinal and visual outcomes after ultraviolet- and blue light-filtering intraocular lenses.

Clinical & experimental optometry·2026
Same journal

Repeatability of choroidal optical coherence tomography angiography metrics in healthy young adults.

Clinical & experimental optometry·2026
See all related articles

Corneal asphericity (Q) in hyperopic eyes shows no significant link to refractive error. This contrasts with myopic eyes, suggesting different anterior segment changes in refractive development.

Area of Science:

  • Ophthalmology
  • Optometry
  • Corneal topography

Background:

  • Recent studies show decreased peripheral corneal flattening with increasing myopia.
  • The relationship between corneal asphericity and hyperopic refractive error remains unclear.

Purpose of the Study:

  • To investigate if corneal asphericity significantly varies with hyperopic refractive error.
  • To compare findings with previous studies on myopic eyes.

Main Methods:

  • Videokeratoscopic data from 35 eyes (refractive error -0.37 D to +6.00 D) were analyzed.
  • Corneal asphericity (Q) and apical radius of curvature were calculated using a conicoid equation.
  • Axial length and keratometry were also measured.

Main Results:

Related Experiment Videos

  • No statistically significant relationship was found between corneal asphericity (Q) and spherical equivalent refractive error (p = 0.7419).
  • No association was demonstrated between Q and corneal radius of curvature or axial length.
  • Corneal radius of curvature correlated positively with axial length (r = 0.367, p = 0.0298).

Conclusions:

  • Corneal asphericity in hyperopic eyes is not significantly correlated with refractive error.
  • This finding differs from myopic eyes, indicating potential variations in anterior segment development.
  • Further research may elucidate differences in refractive error progression between hyperopic and myopic individuals.