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

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.6K
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...
1.6K
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

9.1K
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
9.1K

You might also read

Related Articles

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

Sort by
Same author

Pulsed accelerated corneal cross-linking for pediatric keratoconus: a prospective study from the Indian subcontinent.

International ophthalmology·2026
Same author

Comparing Post-Occlusion Surge at Decreasing Intraocular Pressures with Pressure Sensing Handpiece.

Medical devices (Auckland, N.Z.)·2026
Same author

Data Volume and the Need for Clinical Decision Support in Glaucoma Care.

Ophthalmology science·2026
Same author

Issue regarding E Log book for PG students: Paper to pixels.

Indian journal of ophthalmology·2026
Same author

Design and Implementation of a Field Programmable Gate Array-Based Pedestrian Detection Framework for Autonomous Driving Application.

Journal of visualized experiments : JoVE·2026
Same author

From recalcitrance to precision: a robust regeneration, transformation and targeted gene editing framework in <i>Cajanus cajan</i>.

Frontiers in genome editing·2026

Related Experiment Video

Updated: Apr 30, 2026

Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice
06:09

Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice

Published on: March 2, 2018

10.6K

Effect of phaco tip diameter on efficiency and chatter.

Aabid M Farukhi1, Brian C Stagg1, Cecinio Ronquillo1

  • 1From the Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, Utah, USA.

Journal of Cataract and Refractive Surgery
|April 29, 2014
PubMed
Summary

The 0.9 mm phacoemulsification tip demonstrated the highest efficiency in lens fragment removal across all tested ultrasound (US) approaches. This smaller tip size consistently outperformed larger tips, indicating its superiority for cataract surgery.

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

3.5K
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

518

Related Experiment Videos

Last Updated: Apr 30, 2026

Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice
06:09

Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice

Published on: March 2, 2018

10.6K
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

3.5K
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

518

Area of Science:

  • Ophthalmology
  • Surgical Technology
  • Biomedical Engineering

Background:

  • Phacoemulsification is a key technique in cataract surgery.
  • Optimizing phacoemulsification tip size is crucial for surgical efficiency and patient outcomes.
  • Different ultrasound (US) modalities may influence tip performance.

Purpose of the Study:

  • To compare the efficiency of three different phacoemulsification tip sizes (1.1 mm, 0.9 mm, and 0.7 mm).
  • To evaluate tip performance using three distinct ultrasound (US) approaches: torsional, micropulsed, and transversal.
  • To determine the optimal phacoemulsification tip size for efficient lens fragment removal.

Main Methods:

  • An experimental study utilizing porcine lens nuclei.
  • Phacoemulsification tips of 1.1 mm, 0.9 mm, and 0.7 mm were tested.
  • Efficiency (time for removal) and chatter (fragment repulsion) were measured using torsional and micropulsed US.

Main Results:

  • The 0.9 mm phaco tip exhibited the highest efficiency across all tested US modalities.
  • Statistically significant differences in efficiency were observed between the 0.9 mm and 0.7 mm tips with micropulsed and transversal US.
  • While not always statistically significant, trends consistently showed the 0.9 mm tip outperforming the 0.7 mm and 1.1 mm tips.

Conclusions:

  • The 0.9 mm phacoemulsification tip is the most efficient for lens fragment removal.
  • This tip size offers the best performance with the fewest outliers and smallest standard deviation.
  • The findings support the use of the 0.9 mm tip for enhanced efficiency in phacoemulsification procedures.