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

Related Concept Videos

Glaucoma: Overview

Glaucoma: Overview

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...

Open Angle Glaucoma: Treatment

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...

Angle Closure Glaucoma: Treatment

Angle Closure Glaucoma: Treatment

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...

Photoreceptors and Visual Pathways

Photoreceptors and Visual Pathways

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, whereas...

You might also read

Related Articles

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

Sort by

Same author

Drug-eluting intraocular lens with sustained bromfenac release for conquering posterior capsular opacification.

Bioactive materials·2021

Same author

Low-concentration povidone-iodine for the prevention of intraocular infections in ophthalmic surgery.

Current opinion in ophthalmology·2021

Same author

Glaucomatous or Non-glaucomatous Optic Neuropathy-It Is a Question?

American journal of ophthalmology·2021

Same author

Analysis of visual disability in Buenos Aires, Argentina. Pathologic myopia is the leading cause in working age.

Medicina·2021

Same author

Pioneers in neurology: Charles Miller Fisher (1913-2012).

Journal of neurology·2021

Same author

The 100 most-cited papers on age-related macular degeneration: a bibliographic perspective.

BMJ open ophthalmology·2021

Search research articles

Related Experiment Video

Updated: May 11, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Watchmakers' glaucoma.

Francisco J Ascaso¹, Javier Mateo, Andrzej Grzybowski

¹Department of Ophthalmology, Lozano Blesa University Clinic Hospital, Zaragoza, Spain.

Clinical & Experimental Optometry

|May 9, 2013

Summary

This study reports a case of unilateral glaucoma potentially caused by prolonged use of a watchmaker's loupe. Regular eye exams and alternating eyes are recommended to prevent this occupational eye hazard.

Area of Science:

Ophthalmology
Occupational Health
Optometry

Background:

Monocular loupes are commonly used by professionals requiring magnification, such as watchmakers.
Sustained muscle contraction during prolonged optical instrument use can lead to physiological changes.

Observation:

A case of unilateral glaucoma was observed in a watchmaker using a monocular loupe consistently in one eye.
The glaucoma appeared linked to the pressure exerted by the orbicularis oculi muscle during prolonged loupe use.

Findings:

The study hypothesizes that sustained orbicularis oculi muscle contraction from holding a monocular loupe can induce unilateral glaucoma.
This represents the first reported instance of apparent glaucoma linked to this specific occupational practice.

More Related Videos

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Published on: March 12, 2016

Related Experiment Videos

Last Updated: May 11, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Published on: March 12, 2016

Implications:

Professionals using monocular loupes should alternate eyes and limit usage duration to mitigate risks.
Routine ophthalmic examinations are crucial for early detection and management of potential vision impairments in such individuals.