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

6.1K
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...
6.1K
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

9.1K
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
9.1K
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

Reduced Image Quality Impairs Monocular Blur-Driven Accommodation in Keratoconus.

Investigative ophthalmology & visual science·2026
Same author

Effect of spherical aberration on the vergence-accommodation conflict.

Biomedical optics express·2026
Same author

Comparison of decentration, tilt, and dynamic stability between retropupillary iris claw and scleral fixated intraocular lenses with flanged haptics.

Journal of cataract and refractive surgery·2026
Same author

Impact of Myopia Control Spectacles on Retinal Image Contrast.

Investigative ophthalmology & visual science·2026
Same author

Optical quality and anisotropy across the retina of Chinese children's eyes.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same author

Stiles-Crawford effect in infrared two-photon vision.

Biomedical optics express·2026

Related Experiment Video

Updated: Apr 27, 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

817

Refractive accuracy with light-adjustable intraocular lenses.

Eloy A Villegas1, Encarna Alcon1, Elena Rubio1

  • 1From Laboratorio de Optica (Villegas, Alcon, Artal), Departamento de Física, Universidad de Murcia, and Servicio de Oftalmología (Rubio, Marín), Hospital Universitario Virgen de la Arrixaca El Palmar, Murcia, Spain.

Journal of Cataract and Refractive Surgery
|June 25, 2014
PubMed
Summary

Light-adjustable intraocular lenses (IOLs) offer precise refractive correction and stable visual acuity. Further protocol refinements can enhance predictability for optimal outcomes.

More Related Videos

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses
06:55

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

6.9K
Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
04:59

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation

Published on: July 7, 2023

3.5K

Related Experiment Videos

Last Updated: Apr 27, 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

817
Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses
06:55

Scanning Light Scattering Profiler SLPS Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

6.9K
Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
04:59

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation

Published on: July 7, 2023

3.5K

Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Biomedical Engineering

Background:

  • Light-adjustable intraocular lenses (IOLs) represent an advancement in refractive error correction.
  • Accurate and stable refractive outcomes are crucial for patient satisfaction after cataract surgery.

Purpose of the Study:

  • To evaluate the efficacy, predictability, and stability of refractive treatments utilizing light-adjustable IOLs.
  • To assess the refractive changes induced by light adjustments in the IOL.
  • To determine the impact on visual acuity and refractive stability over a 12-month period.

Main Methods:

  • A prospective nonrandomized clinical trial involving 53 eyes with light-adjustable IOLs.
  • Refractive errors were corrected using spatial intensity profiles applied to the IOL.
  • Refraction was measured using a Hartmann-Shack sensor and corneal topographer to estimate IOL-specific changes.

Main Results:

  • Each light pattern induced significant refractive changes (P<.01).
  • Two light adjustments achieved spherical power changes from -1.98 D to +2.30 D and astigmatism correction up to -2.68 D.
  • Intersubject variability was low (0.10 D to 0.40 D), with minor myopic shifts post-lock-in procedures.

Conclusions:

  • Light-adjustable IOL implantation resulted in accurate refractive outcomes near emmetropia and good, stable visual acuity.
  • The study highlights the potential for precise refractive correction with light-adjustable IOLs.
  • Improvements in nomograms and treatment protocols are recommended to further enhance predictability.