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

1.7K
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...
1.7K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

11.3K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
11.3K
Glaucoma: Overview01:25

Glaucoma: Overview

1.7K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Anterior segment indices in mentally retarded children.

Scientific reports·2023
Same author

Auto-refraction versus subjective refraction in different phakic and pseudophakic conditions: the Tehran Geriatric Eye Study (TGES).

International journal of ophthalmology·2023
Same author

Comparison of different corneal imaging modalities using artificial intelligence for diagnosis of keratoconus: a systematic review and meta-analysis.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2023
Same author

Vector analysis of astigmatism correction after PRK, FS-LASIK, and SMILE for myopic astigmatism.

International ophthalmology·2023
Same author

Prevalence of uncontrolled hypertension and its associated factors in 50-74 years old Iranian adults: a population-based study.

BMC cardiovascular disorders·2023
Same author

Epidemiological aspect of retinoblastoma in the world: a review of recent advance studies.

International journal of ophthalmology·2023

Related Experiment Video

Updated: Apr 21, 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

1.8K

Small pupil and cataract surgery.

Hassan Hashemi1, Mohammad A Seyedian, Mehrdad Mohammadpour

  • 1aNoor Ophthalmology Research Center, Noor Eye Hospital bDepartment of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Current Opinion in Ophthalmology
|November 13, 2014
PubMed
Summary

Cataract surgery in patients with small pupils is challenging but manageable. New pharmacologic and mechanical devices, including the Malyugin ring, improve outcomes by maintaining pupil dilation during 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

3.3K
Ultrasound Cyclo Plasty in Eyes with Glaucoma
05:05

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

12.8K

Related Experiment Videos

Last Updated: Apr 21, 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

1.8K
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

3.3K
Ultrasound Cyclo Plasty in Eyes with Glaucoma
05:05

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

12.8K

Area of Science:

  • Ophthalmology
  • Surgical Innovation

Background:

  • Small pupils present a significant challenge in cataract surgery, increasing the risk of complications.
  • Maintaining adequate pupil dilation (mydriasis) is crucial for surgical success and patient safety.

Purpose of the Study:

  • To review preoperative and intraoperative strategies for managing small pupils during cataract surgery.
  • To discuss advancements in managing small pupils, particularly in femtosecond laser-assisted cataract surgery.

Main Methods:

  • Review of current literature on pharmacologic and mechanical pupil dilation techniques.
  • Analysis of new devices and pharmaceutical agents for managing small pupils.
  • Examination of techniques specific to femtosecond laser-assisted cataract surgery.

Main Results:

  • New pharmacologic options like intracameral ketorolac show promise for maintaining mydriasis and managing pain/inflammation.
  • The Malyugin ring offers an effective mechanical solution for pupil expansion, complementing existing devices.
  • Femtosecond laser-assisted cataract surgery can successfully manage small pupils with intracameral mydriatics and intraocular devices.

Conclusions:

  • Combining thorough preoperative assessment with appropriate intraoperative pharmacologic and mechanical interventions leads to favorable outcomes in small pupil cataract surgery.
  • Advances in surgical aids enhance the ability to manage challenging small pupil cases effectively.