Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Potential acuity meter for predicting visual acuity after Nd:YAG posterior capsulotomy.

W E Smiddy, D Radulovic, J H Yeo

|March 1, 1986

Summary

The potential acuity meter (PAM) accurately predicts visual outcomes after Nd:YAG laser posterior capsulotomy. In most cases, final visual acuity closely matched PAM predictions, demonstrating its reliability for assessing post-surgical vision.

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

Hypoxia improves hair inductivity of dermal papilla cells via nuclear NADPH oxidase 4-mediated reactive oxygen species generation'.

The British journal of dermatology·2019

Same author

Renal failure and progressive pancytopenia.

The journal of the Royal College of Physicians of Edinburgh·2018

Same author

Antimicrobial activities of an oxygenated cyclohexanone derivative isolated from Amphirosellinia nigrospora JS-1675 against various plant pathogenic bacteria and fungi.

Journal of applied microbiology·2018

Same author

Antibacterial activities of penicillic acid isolated from Aspergillus persii against various plant pathogenic bacteria.

Letters in applied microbiology·2016

Same author

Personal opinions on IDU and management of herpetic keratitis in its three different stages: epithelial, non-ulcerative stromal (metaherpetic) and chronic, ulcerative stromal.

Highlights of ophthalmology·2014

Same author

Contrast echocardiography to assess left ventricular volume and function in Beagle dogs: comparison with 3-Tesla dual source parallel cardiac magnetic resonance imaging.

Veterinary journal (London, England : 1997)·2013

Area of Science:

Ophthalmology
Optical diagnostics

Background:

Posterior capsule opacification is a common complication after cataract surgery.
Nd:YAG laser capsulotomy is a standard procedure to restore vision.
Accurate prediction of visual outcome is crucial for patient management.

Purpose of the Study:

To evaluate the accuracy of the potential acuity meter (PAM) in predicting final visual acuity after Nd:YAG laser posterior capsulotomy.
To assess the reliability of PAM for patients with posterior capsule opacities.

Main Methods:

A study was conducted on 30 patients with posterior capsule opacifications.
Potential acuity meter (PAM) was used to predict visual acuity before Nd:YAG laser treatment.
Final visual acuity was measured post-procedure and compared with PAM predictions.

Related Experiment Videos

Main Results:

73% of patients had final visual acuity within one line of the PAM prediction.
23% of patients achieved visual acuity two or more lines better than predicted.
False negative and false positive prediction rates were low; accuracy was not significantly affected by capsule thickness, macular edema, or age-related macular degeneration.

Conclusions:

The potential acuity meter (PAM) is an effective tool for predicting final visual acuity after Nd:YAG posterior capsulotomy.
PAM demonstrates high accuracy and reliability, even in the presence of complicating factors.
Unrushed, careful use of PAM enhances its predictive value in clinical practice.