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

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.3K
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,...
8.3K
Antiepileptic Drugs: Potassium Channel Activators01:20

Antiepileptic Drugs: Potassium Channel Activators

497
Ezocgabine or retigabine, an antiepileptic drug of remarkable efficacy, has revolutionized the management of seizures. It is a potassium channel activator, explicitly targeting the family of Q subtype potassium channels. It enhances the transmembrane potassium currents, regulating neuronal excitability. This action stabilizes the resting membrane potential, a pivotal factor in mitigating the hyperexcitability that characterizes epilepsy.
Ezogabine has gained approval as an adjunctive treatment...
497
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

3.2K
The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
3.2K

You might also read

Related Articles

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

Sort by
Same author

Profiling CARD14 gene expression in Indian Psoriasis patients.

Scientific reports·2024
Same author

Exploring the diversity of virulence genes in the <i>Magnaporthe</i> population infecting millets and rice in India.

Frontiers in plant science·2023
Same author

The Implementation of a Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) Program at a Level 1 New England Trauma Center: Feasibility and Early Outcomes.

The American surgeon·2023
Same author

Added value of the measles-rubella supplementary immunization activity in reaching unvaccinated and under-vaccinated children, a cross-sectional study in five Indian districts, 2018-20.

Vaccine·2022
Same author

Deep learning model for predicting tunnel damages and track serviceability under seismic environment.

Modeling earth systems and environment·2022
Same author

Are we ready with fluroquinolone based treatment regimen for drug resistance tuberculosis in a resource limited country?

The Indian journal of tuberculosis·2022

Related Experiment Video

Updated: Dec 11, 2025

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards
08:38

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards

Published on: September 3, 2020

6.4K

Ethionamide induced blue vision (cyanopsia): Case report.

A K Jain1, Priya Sharma2

  • 1National Institute of TB and Respiratory Diseases (NITRD), India.

The Indian Journal of Tuberculosis
|August 23, 2020
PubMed
Summary

Ethionamide, a second-line drug for drug-resistant tuberculosis (DR-TB), can rarely cause vision changes. This report details a case of cyanopsia (blue-tinted vision) linked to ethionamide use in a DR-TB patient.

Keywords:
Blue visionCyanopsiaEthionamideMDR-TB

More Related Videos

Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model
10:13

Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model

Published on: August 23, 2015

39.6K
A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

16.3K

Related Experiment Videos

Last Updated: Dec 11, 2025

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards
08:38

Electroretinogram Recording for Infants and Children under Anesthesia to Achieve Optimal Dark Adaptation and International Standards

Published on: September 3, 2020

6.4K
Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model
10:13

Eye Irritation Test EIT for Hazard Identification of Eye Irritating Chemicals using Reconstructed Human Cornea-like Epithelial RhCE Tissue Model

Published on: August 23, 2015

39.6K
A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

16.3K

Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Pharmacology

Background:

  • Drug-resistant tuberculosis (DR-TB) presents a growing global health challenge.
  • Ethionamide is a crucial second-line medication for managing DR-TB.
  • Increasing resistance necessitates wider use of ethionamide, highlighting the importance of understanding its side effects.

Observation:

  • A patient undergoing treatment for DR-TB developed cyanopsia, characterized by a blue-tinted visual disturbance.
  • The onset of cyanopsia occurred shortly after the introduction of ethionamide into the treatment regimen.
  • This visual side effect, while rare, caused significant patient distress.

Findings:

  • Cyanopsia is a previously undocumented adverse effect associated with ethionamide therapy.
  • The observed visual changes were reversible upon discontinuation of the drug.
  • This case expands the known spectrum of ocular side effects for ethionamide.

Implications:

  • Clinicians should be vigilant for visual disturbances, including cyanopsia, in patients treated with ethionamide.
  • Early recognition and potential withdrawal of ethionamide may be necessary to alleviate patient distress.
  • Further research is warranted to elucidate the mechanism underlying ethionamide-induced cyanopsia.