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

Detection of Black Holes01:10

Detection of Black Holes

2.6K
Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
2.6K
Predicting Molecular Geometry02:27

Predicting Molecular Geometry

46.1K
VSEPR Theory for Determination of Electron Pair Geometries
46.1K
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.3K
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...
1.3K
Prediction Intervals01:03

Prediction Intervals

3.4K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y. 
3.4K
Sensitivity, Specificity, and Predicted Value01:13

Sensitivity, Specificity, and Predicted Value

1.4K
In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
Sensitivity is the...
1.4K
End Point Prediction: Gran Plot01:07

End Point Prediction: Gran Plot

1.2K
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
For potentiometric titration, the Gran plot is created by plotting...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Syphilis Uveitis: A Case of Occam's Razor, Hickam's Dictum, and Crabtree's Bludgeon.

Cureus·2025
Same author

Bilateral Endogenous <i>Nocardia</i> Endophthalmitis: A Case Report.

Ophthalmic surgery, lasers & imaging retina·2025
Same author

Cataract progression after primary pars plana vitrectomy for uncomplicated rhegmatogenous retinal detachments in young adults.

International journal of retina and vitreous·2024
Same author

Outcomes and complications of primary rhegmatogenous retinal detachment repair with pars plana vitrectomy in young adults.

International journal of retina and vitreous·2023
Same author

Benign yellow-dot maculopathy: case report and review of the literature.

Canadian journal of ophthalmology. Journal canadien d'ophtalmologie·2023
Same author

Bilateral pulmonary emboli following macular hole surgery with postoperative prone positioning.

American journal of ophthalmology case reports·2019

Related Experiment Video

Updated: Feb 11, 2026

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

1.2K

Does postoperative near visual acuity predict macular hole closure?

Mandeep S Dhalla1, Uday R Desai, Cristian Gandolfo

  • 1Department of Ophthalmology, Henry Ford Hospital, Detroit, Michigan 48202, USA.

Ophthalmic Surgery, Lasers & Imaging : the Official Journal of the International Society for Imaging in the Eye
|June 6, 2006
PubMed
Summary

Postoperative near visual acuity after macular hole surgery shows high sensitivity for hole closure but lacks specificity. This measure may help encourage patient compliance with head-down positioning.

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

3.3K
The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish
04:56

The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish

Published on: October 9, 2013

21.1K

Related Experiment Videos

Last Updated: Feb 11, 2026

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

1.2K
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

3.3K
The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish
04:56

The Optokinetic Response as a Quantitative Measure of Visual Acuity in Zebrafish

Published on: October 9, 2013

21.1K

Area of Science:

  • Ophthalmology
  • Surgical Outcomes
  • Visual Acuity Assessment

Background:

  • Macular hole surgery aims for successful anatomical closure and visual recovery.
  • Assessing postoperative visual acuity is crucial for evaluating surgical success.

Purpose of the Study:

  • To evaluate the reliability of prone postoperative near visual acuity as an indicator of successful macular hole closure.
  • To determine the diagnostic performance of near visual acuity in predicting hole closure post-surgery.

Main Methods:

  • Retrospective analysis of data from 21 patients undergoing macular hole surgery.
  • Comparison of postoperative near visual acuity (Rosenbaum acuity) with preoperative visual acuity and final hole closure status.
  • Calculation of sensitivity, specificity, and predictive values.

Main Results:

  • Near visual acuity better than preoperative levels indicated hole closure with 94% sensitivity but 0% specificity.
  • Near visual acuity better than 20/40 showed 78% sensitivity and 0% specificity for hole closure.
  • High surgical success rates limit the predictive utility of this specific acuity measure.

Conclusions:

  • Postoperative near visual acuity is a sensitive but not specific predictor of macular hole closure.
  • While not clinically reliable for predicting closure due to high surgical success, it may aid in patient management and anxiety reduction.
  • Encouraging prone positioning adherence can be supported by monitoring near visual acuity outcomes.