Jove
Visualize
Contact Us

Related Concept Videos

Focusing of Light in the Eye01:16

Focusing of Light in the Eye

6.2K
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...
6.2K
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.6K
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...
1.6K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

1.1K
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...
1.1K

You might also read

Related Articles

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

Sort by
Same author

[Outcomes of extended depth of focus intraocular lenses implantation].

Vestnik oftalmologii·2024
Same author

[Outcomes of bilateral implantation of trifocal and extended depth of focus IOLs].

Vestnik oftalmologii·2022
Same author

[Clinical and functional results of bifocal IOLs implanted during combined cataract and glaucoma surgery].

Vestnik oftalmologii·2019
Same author

Fine tuning excimer laser correction after intraocular lens implantation and corneal transplantation.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2013
Same author

[General ophthalmic ergonomic evaluation of surgery for the subnormal refraction].

Meditsina truda i promyshlennaia ekologiia·2002
Same author

[Complex method of "operative" and "long-term" correction of visual dysfunction among aviation specialists].

Meditsina truda i promyshlennaia ekologiia·2002
Same journal

Thresholding and Calibration for Machine Learning-Based Detection of Prior Laser Vision Correction.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
Same journal

A Toric Plate-Haptic Intraocular Lens Suitable for Flanged Scleral Fixation.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
Same journal

Refractive and Corneal Astigmatism After Implantation of a Supraciliary Drainage Device in Microinvasive Glaucoma Surgery.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
Same journal

Estimating Range of Vision and Optical Function Related to Pupil Size in a Spiral Intraocular Lens.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
Same journal

Anterior Chambers Shallower Than 2.5 mm in Eyes With Short to Normal Axial Length: Can Artificial Intelligence-Based Lens Formulas Achieve Reliable Accuracy?

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
Same journal

Patient-Reported Outcomes After Keratorefractive Lenticule Extraction Using the VISUMAX 800 Laser in a Prospective Multicenter Post-market Clinical Follow-up Study.

Journal of refractive surgery (Thorofare, N.J. : 1995)·2026
See all related articles
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 Video

Updated: May 4, 2026

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
05:46

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

Published on: September 20, 2024

896

Refractive surgery for hyperopia.

K B Pershin, N F Pashinova

    Journal of Refractive Surgery (Thorofare, N.J. : 1995)
    |December 25, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Refractive surgery outcomes for hyperopia vary by procedure and patient age. Photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) are suitable for younger patients with low to moderate hyperopia, while intraocular lenses are preferred for high hyperopia.

    More Related Videos

    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

    820
    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

    8.4K

    Related Experiment Videos

    Last Updated: May 4, 2026

    Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
    05:46

    Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

    Published on: September 20, 2024

    896
    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

    820
    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

    8.4K

    Area of Science:

    • Ophthalmology
    • Refractive Surgery
    • Corneal Surgery

    Background:

    • This study evaluated four refractive surgery techniques for hyperopia: photorefractive keratectomy (PRK), laser in situ keratomileusis (LASIK), phakic intraocular lens (PIOL) implantation, and clear lens extraction with intraocular lens (IOL) implantation.
    • A total of 184 eyes with varying degrees of hyperopia (low, moderate, and high) were analyzed across these procedures.

    Discussion:

    • Refractive outcomes and visual results were correlated with the initial degree of hyperopia and patient age.
    • For young patients (≤35 years) with normal accommodation and low to moderate hyperopia, PRK and LASIK demonstrated efficacy.
    • Laser in situ keratomileusis (LASIK) offered faster refractive stabilization (3-12 weeks) compared to photorefractive keratectomy (PRK) (8-12 months).

    Key Insights:

    • Phakic intraocular lens (PIOL) implantation and clear lens extraction with IOL implantation are preferred for high hyperopia (>+5.00 D).
    • Phakic intraocular lens (PIOL) implantation is recommended for younger patients with high hyperopia.
    • Clear lens extraction with IOL implantation is advised for patients with presbyopia or those at risk of angle-closure glaucoma.

    Outlook:

    • The choice of refractive surgery for hyperopia should be individualized based on the patient's refractive error, age, and ocular health.
    • Further research may focus on long-term outcomes and comparative effectiveness of newer refractive surgery technologies.
    • Advancements in intraocular lens technology continue to expand options for correcting high hyperopia and presbyopia.