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

Predicting Reaction Outcomes02:24

Predicting Reaction Outcomes

10.4K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.4K
Nursing Implementation01:15

Nursing Implementation

6.0K
Implementation is the execution of the nursing care plan developed during the planning phase.
The five steps to implementing effective nursing care include reassessing the patient, reviewing and revising the existing nursing care plan, organizing the resources and care delivery, anticipating and preventing complications, and implementing nursing interventions.
6.0K
Outcomes of Glycolysis01:13

Outcomes of Glycolysis

106.8K
Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
106.8K
Guidelines for Writing Outcome01:11

Guidelines for Writing Outcome

3.7K
When developing expected outcomes for a patient care plan, the nurse should adhere to the following recommendations:
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
3.7K
Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

914
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
914
Improving Translational Accuracy02:07

Improving Translational Accuracy

14.1K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
14.1K

You might also read

Related Articles

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

Sort by
Same author

Risk of Cancer Among Individuals With Fuchs Endothelial Corneal Dystrophy in a Large, Population-Based Study.

Cornea·2026
Same author

Post-Operative Complications After Cataract Surgery in Patients with Rheumatoid Arthritis and/or Sjögren's Syndrome.

Clinical ophthalmology (Auckland, N.Z.)·2025
Same author

Bilateral Pterygium in a Paediatric Cancer Patient Taking Vemurafenib: A Case Report.

Case reports in ophthalmology·2025
Same author

Low-Dose Valacyclovir for Postherpetic Neuralgia in the Zoster Eye Disease Study: A Randomized Clinical Trial.

JAMA ophthalmology·2025
Same author

Evaluation of the Microbiology of Removed Punctal Plugs and Intracanalicular Devices.

Eye & contact lens·2024
Same author

Patient evaluated economic impact of keratoconus in New Zealand.

Clinical & experimental optometry·2024

Related Experiment Video

Updated: Jan 24, 2026

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
05:19

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery

Published on: December 1, 2023

1.6K

Improved Refractive Outcomes of Small-Incision Extracapsular Cataract Surgery after Implementation of a Biometry

Jay J Meyer1,2, Hans R Vellara2, Riyaz Bhikoo1,2

  • 1Fred Hollows Foundation New Zealand, Auckland.

Middle East African Journal of Ophthalmology
|May 23, 2019
PubMed
Summary

A biometry training course significantly improved refractive outcomes in cataract surgery. Post-training, prediction errors halved, and more patients achieved target visual acuity, enhancing surgical precision.

Keywords:
Biometrycataractcataract surgeryphacoemulsification

More Related Videos

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

3.0K
Ye's Swing Technique for Small-incision Lenticule Extraction Surgery
04:15

Ye's Swing Technique for Small-incision Lenticule Extraction Surgery

Published on: June 27, 2025

352

Related Experiment Videos

Last Updated: Jan 24, 2026

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
05:19

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery

Published on: December 1, 2023

1.6K
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

3.0K
Ye's Swing Technique for Small-incision Lenticule Extraction Surgery
04:15

Ye's Swing Technique for Small-incision Lenticule Extraction Surgery

Published on: June 27, 2025

352

Area of Science:

  • Ophthalmology
  • Surgical Education
  • Biometry

Background:

  • Manual small-incision extracapsular cataract surgery (SICS) relies on accurate biometry for optimal refractive outcomes.
  • Variability in biometry techniques can lead to prediction errors in intraocular lens (IOL) power calculations.
  • Improving biometry accuracy is crucial for achieving desired postoperative visual acuity.

Purpose of the Study:

  • To evaluate the impact of a structured biometry training course on refractive outcomes after SICS.
  • To determine if enhanced biometry skills improve the accuracy of IOL calculations.
  • To assess the effect of training on achieving target postoperative refraction.

Main Methods:

  • Prospective, interventional cohort study at Pacific Eye Institute, Fiji.
  • Evaluated SICS refractive outcomes before and after a biometry teaching course.
  • Used A-scan ultrasound and handheld keratometry for biometry measurements.
  • Analyzed mean absolute prediction error, percentage of eyes within ±0.5 D and ±1.0 D of target, and uncorrected visual acuity.

Main Results:

  • The mean absolute prediction error decreased by 50% post-training (1.13 D to 0.56 D).
  • The percentage of eyes within ±0.5 D of target spherical equivalent increased from 26.7% to 52.5%.
  • The proportion of eyes achieving ≥6/18 uncorrected visual acuity improved significantly (77.5% to 91.7%).

Conclusions:

  • A structured biometry training course demonstrably improves the accuracy of preoperative IOL calculations.
  • Training enhances the ability to achieve target postoperative refractive outcomes in SICS.
  • Ophthalmology curricula should incorporate comprehensive biometry training to improve surgical results.