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

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...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...

You might also read

Related Articles

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

Sort by
Same author

Search for Highly Ionizing Particles in pp Collisions during LHC Run 2 Using the Full MoEDAL Detector.

Physical review letters·2025
Same author

Erratum: First Search for Dyons with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions [Phys. Rev. Lett. 126, 071801 (2021)].

Physical review letters·2024
Same author

Priming of <i>Pisum sativum</i> seeds with stabilized <i>Pluronic P85</i> nanomicelles: effects on seedling development and photosynthetic function.

Photosynthetica·2024
Same author

MoEDAL Search in the CMS Beam Pipe for Magnetic Monopoles Produced via the Schwinger Effect.

Physical review letters·2024
Same author

The impact of the application of compochar on soil moisture, stress, yield and nutritional properties of legumes under drought stress.

The Science of the total environment·2024
Same author

ASSESSMENT OF CORNEAL ENDOTHELIAL LAYER IN CONTACT LENS WEARERS WITH THE AID OF AN ENDOTHELIAL MICROSCOPE.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2022
Same journal

Treatment of Ametropic Amblyopia and the Significance of Cycloplegia in Childhood.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
Same journal

Association of Aqueous Humor Tumor Necrosis Factor Alpha with Retinal Ganglion Cell Thickness in Juvenile versus Adult-Onset Primary Open-Angle Glaucoma.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
Same journal

Contribution to the pathogenesis and early diagnosis of glaucoma. A Review.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
Same journal

Histomorphological Changes in Experimental Autoimmune Uveitis of Varying Severity.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
Same journal

Effect of the ACE inhibitor Zofenopril on the Oxidative Status of the Eye in Animals with Experimental Glaucoma.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
Same journal

Clinical Profile and Surgical Outcomes in Brown Syndrome - A Retrospective Case Series.

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2026
See all related articles

Related Experiment Video

Updated: May 21, 2026

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
05:14

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

[Incidence of refractive errors with corrective aids subsequent selection].

P Benes1, S Synek, S Petrová

  • 1Katedra optometrie a ortoptiky - Pracovistĕ nelékarských oborů, Lékarská fakulta u svaté Anny, Brno. optika.rubin@seznam.cz

Ceska a Slovenska Oftalmologie : Casopis Ceske Oftalmologicke Spolecnosti a Slovenske Oftalmologicke Spolecnosti
|June 12, 2012
PubMed
Summary
This summary is machine-generated.

Objective refraction measurements consistently yielded higher values than subjective refractions in myopia, hyperopia, and emmetropia groups. This study compares objective and subjective eye refractions to guide corrective aid selection.

More Related Videos

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

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

Published on: September 20, 2024

Related Experiment Videos

Last Updated: May 21, 2026

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
05:14

Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter

Published on: September 16, 2025

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

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

Published on: September 20, 2024

Area of Science:

  • Ophthalmology and Optometry
  • Refractive Error Analysis
  • Visual Optics

Context:

  • Refractive errors like myopia and hyperopia are common visual impairments.
  • Accurate measurement of refractive error is crucial for effective vision correction.
  • Objective and subjective refraction methods are standard optometric practices.

Purpose:

  • To compare objective and subjective refraction measurements in a population sample.
  • To analyze refractive error data for myopia, hyperopia, and emmetropia.
  • To evaluate the accuracy of objective measurements in predicting subjective refraction outcomes.

Summary:

  • The study involved 615 patients (1230 eyes) categorized into myopia, hyperopia, and emmetropia groups.
  • Objective refraction was measured using an autorefraktokeratometer, followed by subjective verification with trial lenses.
  • Objective refraction values generally exceeded subjective findings across all refractive error groups.

Impact:

  • Findings highlight potential discrepancies between objective and subjective refraction, influencing corrective aid selection.
  • The study provides data supporting the prevalence of with-the-rule astigmatism.
  • Understanding these differences aids in optimizing the design and prescription of corrective eyewear for improved visual rehabilitation.