Related Experiment Video
Updated: Oct 10, 2025

13:47
Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
Published on: June 3, 2018
9.5K
The Association between Myopia and Primary Open-Angle Glaucoma: A Systematic Review and Meta-Analysis
Jian Wu1, Jie Hao1,2, Yifan Du1
1Beijing Tongren Eye Center, Beijing Tongren Hospital, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Capital Medical University, Beijing, China.
Ophthalmic Research
|December 9, 2021
Summary
Myopia is a risk factor for primary open-angle glaucoma (POAG) but may protect against its progression. Further research is needed to understand the underlying mechanisms of this complex relationship.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Myopia Studies
Background:
- The relationship between myopia and primary open-angle glaucoma (POAG) has been debated, with conflicting results from previous studies.
- Understanding this association is crucial for glaucoma diagnosis and management.
Approach:
- A systematic literature search was conducted across PubMed, Embase, and Scopus databases (1970-2020).
- Pooled analysis of odds ratios (ORs) was performed using random-effects models for cross-sectional and longitudinal studies.
Key Points:
- Myopia was associated with an increased risk of POAG (pooled OR = 2.26).
- Myopia showed a protective effect against POAG progression (pooled OR = 0.85).
- Heterogeneity was high in both analyses (I2 = 86% and 88%).
Conclusions:
- Myopia may be a risk factor for developing POAG.
- Myopia might act as a protective factor against the progression of POAG.
- Potential mechanisms, such as lamina cribrosa defects, warrant further investigation.
Related Concept Videos
Glaucoma: Overview
956
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...
956
Open Angle Glaucoma: Treatment
745
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...
Drugs such as carbonic anhydrase inhibitors, α2- and...
745
Angle Closure Glaucoma: Treatment
884
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...
884
Photoreceptors and Visual Pathways
6.7K
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,...
6.7K

