Related Experiment Video
Updated: Feb 14, 2026

07:11
Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
6.9K
Systemic Medication Associations with Presumed Advanced or Uncontrolled Primary Open-Angle Glaucoma.
Wei Zheng1, Thaddeus P Dryja1, Zhongyuan Wei2
1Novartis Institutes for Biomedical Research, Cambridge, Massachusetts.
Ophthalmology
|February 14, 2018
Summary
Selective serotonin reuptake inhibitors (SSRIs) may reduce the risk of primary open-angle glaucoma (POAG), while calcium channel blockers may increase POAG risk. Further research is needed to confirm these associations.
Area of Science:
- Ophthalmology
- Pharmacology
- Epidemiology
Background:
- Primary open-angle glaucoma (POAG) is a leading cause of irreversible blindness worldwide.
- Identifying modifiable risk factors, including systemic medications, is crucial for POAG prevention and management.
- Understanding drug associations can inform clinical practice and future research directions.
Purpose of the Study:
- To investigate potential associations between systemic medication use and the occurrence of primary open-angle glaucoma (POAG) requiring surgical intervention.
- To generate hypotheses regarding drug classes and specific agents linked to POAG risk using a large-scale claims database.
Main Methods:
- A retrospective database study utilizing United States insurance claims data.
- Matched 6130 POAG cases with 30,650 controls based on age, gender, and region.
- Employed logistic regression to analyze prescription drug use in the 5 years preceding the index procedure, adjusting for multiple covariates.
Main Results:
- Selective serotonin reuptake inhibitors (SSRIs) demonstrated a significant association with reduced POAG risk (OR, 0.70; P < 1.0 × 10⁻¹⁵), with citalopram being the most notable.
- Calcium channel blockers (CCBs) were associated with an increased risk of POAG (OR, 1.26; P < 1.8 × 10⁻¹¹), with amlodipine showing the strongest effect.
Conclusions:
- The study identified potential associations between SSRIs and reduced POAG risk, and CCBs and increased POAG risk.
- These findings warrant further investigation into the roles of serotonin pathways and calcium channels in glaucoma pathogenesis.
- Exploring prescribing pattern variations may also elucidate these observed associations.
Related Concept Videos
Open Angle Glaucoma: Treatment
1.0K
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...
1.0K
Angle Closure Glaucoma: Treatment
1.3K
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...
1.3K
Glaucoma: Overview
1.4K
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...
1.4K
Contact Angle
26.6K
When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive...
26.6K
Associative Learning
1.5K
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
1.5K
Association Areas of the Cortex
9.6K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.6K

