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

Visual thresholds following posterior chamber lens implants.

F A Abraham1, S Levartovsky, M Blumenthal

  • 1Maurice and Gabriela Goldschleger Eye Institute, Medical Faculty of Tel-Aviv University, Chaim Sheba Medical Center, Tel-Hashomer, Israel.

Ophthalmic Research
|January 1, 1988
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

Survival and success rates of soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses: a 2- to 7-year follow-up retrospective study.

Clinical oral investigations·2021
Same author

Long-term bond strength of a multimode adhesive to dentin.

Journal of biological regulators and homeostatic agents·2019
Same author

Complete rehabilitation of patients with bruxism by veneered and non-veneered zirconia restorations with an increased vertical dimension of occlusion: an observational case-series study.

Journal of prosthodontic research·2019
Same author

Marginal Fit and Retention Strength of Zirconia Crowns Cemented by Self-adhesive Resin Cements.

Operative dentistry·2018
Same author

The effect of enriching denture adhesives with chlorhexidine diacetate on the proliferation of Candida albicans: an in vitro analysis.

Journal of biological regulators and homeostatic agents·2017
Same author

[Determinants for the Access to Follow-Up Rehabilitation Concerning Cardiological Patients after Surgery].

Die Rehabilitation·2017
Same journal

Retraction Statement.

Ophthalmic research·2026
Same journal

Correlations between Clinical Activity Score and Serological and Radiological Data in Treatment-naïve Ethnic Han Chinese Thyroid Eye Disease.

Ophthalmic research·2026
Same journal

Stem Cell Based Interventions for Retinal Ganglion Cell Protection and Regeneration in Glaucoma: A Review of Current Evidence and Future Directions.

Ophthalmic research·2026
Same journal

Eye-Tracking Reading Patterns as Correlates of Clinical Measures in Glaucoma.

Ophthalmic research·2026
Same journal

A Matching-Adjusted Comparison of Faricimab and Aflibercept 8 mg in Neovascular Age-Related Macular Degeneration and Diabetic Macular Edema.

Ophthalmic research·2026
Same journal

Ab Externo Continuous Pressure Technique for Descemet Membrane Endothelial Keratoplasty in Vitrectomized Eyes.

Ophthalmic research·2026
See all related articles

Pseudophakic eyes, those with implanted posterior chamber lenses, show higher light sensitivity thresholds compared to control groups. This indicates reduced visual function, particularly in low light and under glare conditions.

Area of Science:

  • Ophthalmology
  • Visual Neuroscience
  • Biomedical Engineering

Background:

  • Intraocular lens (IOL) implantation is a common procedure for managing visual impairments.
  • Assessing the long-term visual performance of pseudophakic eyes is crucial for understanding patient outcomes.
  • Glare and light sensitivity can significantly impact visual quality after cataract surgery.

Purpose of the Study:

  • To compare the light sensitivity thresholds of pseudophakic eyes with those of phakic (natural lens) eyes.
  • To evaluate the effect of glare on visual performance in pseudophakic individuals.
  • To determine if posterior chamber lens implantation affects scotopic and photopic visual thresholds.

Main Methods:

  • Measurement of dark-adapted thresholds for a parafoveal white test in pseudophakic and phakic eyes.

Related Experiment Videos

  • Determination of foveal threshold luminance for Landolt ring gap discrimination.
  • Comparison of thresholds under both standard and glare conditions.
  • Inclusion of 23 pseudophakic eyes (6 months to 3 years post-implantation) and 15 phakic control eyes with good visual acuity.

    • Main Results:

    • Pseudophakic eyes exhibited significantly higher scotopic and photopic thresholds (0.3 and 0.6 log, respectively) compared to the control group.
    • Parafoveal and foveal thresholds were also significantly elevated in the pseudophakic group when measured under glare.
    • These findings suggest a measurable difference in light sensitivity between individuals with and without posterior chamber lenses.

    Conclusions:

    • Posterior chamber lens implantation is associated with reduced light sensitivity in both scotopic and photopic conditions.
    • Visual performance, particularly in terms of light thresholds and under glare, is compromised in pseudophakic eyes.
    • Further research may explore the specific optical properties of IOLs contributing to these observed differences.