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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

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...
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

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...
Glaucoma: Overview01:25

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...
Angle Closure Glaucoma: Treatment01:28

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...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
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Photoreceptors and Visual Pathways

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Related Experiment Video

Updated: May 7, 2026

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
05:56

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model

Published on: April 3, 2016

Myopia onset and progression: can it be prevented?

Andrea Russo1, Francesco Semeraro, Mario R Romano

  • 1Eye Clinic, Brescia, BS, Italy, dott.andrea.russo@gmail.com.

International Ophthalmology
|September 18, 2013
PubMed
Summary
This summary is machine-generated.

Myopia, or nearsightedness, is increasing globally, particularly in children. This review examines lifestyle and interventions like outdoor time and eye drops to manage myopia progression and reduce risks of serious eye conditions.

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Related Experiment Videos

Last Updated: May 7, 2026

Scleral Cross-linking Using Riboflavin and Ultraviolet-A Radiation for Prevention of Axial Myopia in a Rabbit Model
05:56

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Published on: April 3, 2016

Inducement and Evaluation of a Murine Model of Experimental Myopia
07:20

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Published on: January 22, 2019

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Area of Science:

  • Ophthalmology
  • Public Health

Background:

  • Myopia (nearsightedness) is a prevalent ocular abnormality with increasing global prevalence, especially in Asian populations.
  • Rising educational demands and reduced outdoor activities in children are linked to myopia's progression.
  • High myopia increases the risk of severe vision-threatening conditions like retinal detachment and glaucoma.

Purpose of the Study:

  • To review the impact of lifestyle factors and various interventions on the onset and progression of myopia.
  • To assess the effectiveness of strategies aimed at mitigating myopia progression in children and adults.

Main Methods:

  • Systematic review of animal studies, observational clinical studies, and randomized clinical trials.
  • Analysis of interventions including outdoor activities, pharmacologic treatments (eye drops), and optical corrections (multifocal spectacles, contact lenses).
  • Evaluation of surgical options and lifestyle modifications for myopia management.

Main Results:

  • Evidence suggests a link between increased outdoor time and reduced myopia onset/progression.
  • Certain interventions like specific eye drops and multifocal contact lenses show potential in slowing myopia progression.
  • Undercorrection and refractive surgery are discussed in the context of myopia management, with varying outcomes.

Conclusions:

  • Lifestyle modifications, particularly increased outdoor activity, are crucial for myopia prevention and control.
  • Pharmacologic and optical interventions offer promising avenues for managing myopia progression.
  • Further research is needed to fully elucidate the mechanisms and optimize interventions for myopia.