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

7.2K
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,...
7.2K
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

2.4K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
2.4K
CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

612
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
612
Glaucoma: Overview01:25

Glaucoma: Overview

1.0K
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...
1.0K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

3.7K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
3.7K
Depressants01:28

Depressants

228
Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
Alcohol is a common depressant that can induce a sense of relaxation and reduced inhibition at low doses. Contrary to its occasional...
228

You might also read

Related Articles

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

Sort by
Same author

Assessing the Economic Benefit of Mass COVID-19 Vaccination Program in Iran: A Real-World Modeling Study.

International journal of health policy and management·2026
Same author

Identification of miR-20a as A Potential Discerning Biomarker for Non-Invasive versus Invasive Retinoblastoma.

Cell journal·2024
Same author

New advances in medical management of dry eye: optimizing treatment strategies for enhanced relief.

International ophthalmology·2024
Same author

Resident-Performed Phacoemulsification Cataract Surgery: Impact of Resident-Level Characteristics.

Journal of current ophthalmology·2023
Same author

Intravitreal Injections and Face Masks: Endophthalmitis Risk Before and During the COVID-19 Pandemic.

Journal of ophthalmic & vision research·2023
Same author

Smoking and environmental tobacco smoke exposure: implications in ocular disorders.

Cutaneous and ocular toxicology·2022
Same journal

Probe-assisted ILM-Rhexis: A Novel Peeling Technique.

Journal of ophthalmic & vision research·2026
Same journal

Full-thickness Macular Hole Formation and Spontaneous Closure Following Vitrectomy Surgery: A Case Report and Review of the Literature.

Journal of ophthalmic & vision research·2026
Same journal

Anterior Segment Eye Diseases and Quality of Life: An Updated Comprehensive Narrative Review.

Journal of ophthalmic & vision research·2026
Same journal

Quality of Life in Patients with Posterior Segment Eye Diseases.

Journal of ophthalmic & vision research·2026
Same journal

Emerging Roles of Regulated Cell Death-mediated Inflammation in Pathophysiology of Ocular Diseases.

Journal of ophthalmic & vision research·2026
Same journal

Early Diagnosis of Glaucoma By Optical Coherence Tomography: A Systematic Review and Network Meta-analysis.

Journal of ophthalmic & vision research·2026
See all related articles

Related Experiment Video

Updated: Nov 4, 2025

The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
19:57

The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders

Published on: August 5, 2017

8.6K

Alcohol and the Eye.

Saeed Karimi1,2, Amir Arabi1,2, Toktam Shahraki1,2

  • 1Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Journal of Ophthalmic & Vision Research
|May 31, 2021
PubMed
Summary
This summary is machine-generated.

Alcohol consumption can cause various eye problems, including vision loss from methanol toxicity and fetal alcohol spectrum disease. Chronic drinking also increases risks for cataracts, macular degeneration, and other serious ocular conditions.

Keywords:
CorneaDry EyeEthanolEthyl AlcoholEyeFetal AlcoholGlaucomaMacular DegenerationMethanolOptic NeuropathyRetinopathyTeratogenicityAlcohol

More Related Videos

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

19.3K
Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
15:27

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development

Published on: July 13, 2014

14.9K

Related Experiment Videos

Last Updated: Nov 4, 2025

The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
19:57

The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders

Published on: August 5, 2017

8.6K
Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

19.3K
Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
15:27

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development

Published on: July 13, 2014

14.9K

Area of Science:

  • Ophthalmology
  • Toxicology
  • Public Health

Background:

  • Alcohol consumption is a widespread issue with significant health implications.
  • Ocular manifestations of alcohol exposure are diverse and often severe.
  • Understanding these links is crucial for patient care and public health initiatives.

Purpose of the Study:

  • To review and categorize ocular conditions associated with alcohol consumption.
  • To synthesize findings from literature published between 1952 and March 2020.
  • To highlight the impact of alcohol on visual health.

Main Methods:

  • Comprehensive literature search across major scientific databases (PubMed, Scopus, etc.).
  • Screening of titles and abstracts to identify eligible studies.
  • Categorization of ocular findings based on alcohol exposure type (acute, methanol, prenatal, chronic).

Main Results:

  • Acute alcohol intoxication can cause abnormal eye movements.
  • Methanol toxicity leads to optic neuropathy and permanent vision loss.
  • Prenatal ethanol exposure is linked to fetal alcohol spectrum disease with consistent ocular findings.
  • Chronic alcohol use is associated with increased risks of cataracts, age-related macular degeneration, diabetic retinopathy, optic neuropathy, and other visual impairments.

Conclusions:

  • Alcohol consumption poses significant risks to ocular health across various exposure types.
  • Alcohol-induced visual disturbances contribute to the burden of alcohol abuse on healthcare and quality of life.
  • Ophthalmologists and healthcare providers should consider alcohol use in the diagnosis and management of eye conditions.