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

[Cataracts and contrast]

D Hejcmanová1, J Peregrin

  • 1Katedra ocního lékarství LF UK, Hradec Králové.

Ceska a Slovenska Oftalmologie : Casopis Ceske Oftalmologicke Spolecnosti a Slovenske Oftalmologicke Spolecnosti
|July 1, 1996
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

Evaluation of later morphologic alterations in renal artery wall and renal nerves in response to catheter-based renal denervation in sheep: comparison of the single-point and multiple-point ablation catheters.

Physiological research·2018
Same author

Early morphologic alterations in renal artery wall and renal nerves in response to catheter-based renal denervation procedure in sheep: difference between single-point and multiple-point ablation catheters.

Physiological research·2017
Same author

Biliary strictures after orthotopic liver transplantation: long-term results of percutaneous treatment in patients with nonfeasible endoscopic therapy.

Transplantation proceedings·2012
Same author

[Early biliary complications following liver transplantation].

Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti·2011
Same author

[General health state of premature children treated for retinopathy of prematurity from 2007 to 2009].

Ceska a slovenska oftalmologie : casopis Ceske oftalmologicke spolecnosti a Slovenske oftalmologicke spolecnosti·2011
Same author

[Transarterial chemoembolization in hepatocellular carcinoma].

Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti·2010

Visual acuity may appear normal in early cataracts, but contrast sensitivity is often significantly reduced. Standard visual acuity tests are insufficient for diagnosing incipient cataracts.

Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Context:

  • Incipient cataracts often present with normal or near-normal visual acuity (6/9-6/6) on conventional Snellen charts.
  • Despite preserved visual acuity, patients with early cataracts experience a marked decline in contrast sensitivity.

Purpose:

  • To highlight the inadequacy of standard visual acuity measurements in diagnosing incipient cataracts.
  • To emphasize the importance of assessing contrast sensitivity in early cataract detection.

Summary:

  • Conventional visual acuity testing using Snellen charts does not adequately reflect visual function in patients with incipient cataracts.
  • Contrast sensitivity testing, using specialized charts or low-contrast optotypes, reveals significant visual impairment not detected by standard acuity tests.

Related Experiment Videos

  • These findings underscore the necessity of incorporating contrast sensitivity measurements into the diagnostic protocol for incipient cataracts.

    • Impact:

    • Recommends the integration of contrast sensitivity testing into routine eye examinations for early cataract detection.
    • Suggests that improved diagnostic methods can lead to earlier intervention and better patient outcomes.
    • Highlights the functional visual deficits associated with incipient cataracts that impact daily activities.