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Cannabinoids for Glaucoma Treatment: Explained

Skriven av: Edijs Eleksis

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Tid att läsa 5 min

Introduction

Curious about cannabinoids for glaucoma treatment? It's a hot topic. Traditional glaucoma treatments can have side effects like stinging and blurred vision. Cannabinoids offer a potential alternative. But it’s important to be realistic.


This exploration of cannabinoids for glaucoma treatment isn't about miracle cures. It’s a balanced look at the science, benefits, and limitations. We'll explore what we know and don't know about this cannabis-based approach to managing glaucoma.

Understanding Glaucoma and Current Treatments

Glaucoma damages the optic nerve, impacting vision. Elevated intraocular pressure (IOP) is a key risk factor. Age, family history, and ethnicity also contribute to primary open-angle glaucoma.


Current treatments mainly lower IOP. Research shows reducing IOP by 25% cuts the worsening risk by half. This makes IOP a modifiable risk factor for controlling glaucoma and maintaining visual field.

Conventional Glaucoma Therapies

Traditional glaucoma treatments aim to manage and prevent optic nerve damage. Common options include:


  • Eye drops: These reduce aqueous humor production or improve its outflow to lower IOP. They are often used multiple times daily
  • Laser treatments: Procedures like SLT and LPI improve fluid drainage, reducing IOP.
  • Surgery: Trabeculectomy or tube shunt surgery create new drainage pathways. These are used when other treatments are insufficient.

However, many treatments have side effects.

Nine Realms Cannabinoids for Glaucoma Treatment

Cannabinoids and Their Potential Role in Glaucoma Treatment

Cannabinoids are active compounds in the cannabis plant, Cannabis sativa, that interact with the body's endocannabinoid system. The most known cannabinoids are THC (tetrahydrocannabinol) and CBD (cannabidiol). THC is associated with psychoactive effects; CBD is not.


Research indicates THC can lower IOP, sparking interest in its potential for glaucoma treatment. This has lead some patients to wonder if medical marijuana, given its availability in some regions, may help control their IOP.


However, there is a lot of additional information that still must be researched to understand how it could be applied and the risks associated with its use as medicine. There are various routes of administration that each have their advantages and disadvantages that glaucoma patients considering medical cannabis should be aware of.

How Cannabinoids May Affect IOP

Since the 1970s, studies have shown that cannabinoids, especially Tetrahydrocannabinol (THC), can lower IOP. Further research confirmed this, suggesting multiple mechanisms involving fluid movement. A single dose may lower pressure for up to four hours.


Cannabinoids may have neuroprotective effects, possibly by blocking NMDA receptors or through antioxidant properties. More research is needed to confirm the specific effects of cannabinoids for glaucoma treatment and confirm neuroprotective effects on the optic nerve, in addition to understanding other related psychological effects that could be associated with regular THC and marijuana flower smoking.

woman smoking nine realms thc joint

Delivery Methods and Challenges

Administering cannabinoids for glaucoma treatment is complex. Smoking is most effective, delivering high THC doses for rapid IOP reduction. The effect is short-lived (3-4 hours).


Smoking has concerning side effects. Frequent use isn't recommended due to its negative impact on overall health. Other delivery methods, like topical, oral, or eye drops, have limitations. They may cause irritation, be less effective, or offer only a short pressure reducing effect.

The Balancing Act: Benefits and Drawbacks of Cannabinoids for Glaucoma Treatment

Cannabinoids, like any treatment, have pros and cons. Careful consideration of these is vital.

Potential Advantages

Cannabinoids may lower IOP, but often less effectively than standard treatments. Early research hints at neuroprotective qualities. Some find marijuana products relaxing, potentially improving quality of life. However, more investigation into these possible advantages, like understanding if reduced blood supply contributes to neuroprotection or simply reduced IOP, is necessary to confirm or understand the extent of them. Ultimately, scientists don't currently understand exactly how many cannabinoids there are or how they impact overall ECS functioning.

Potential Disadvantages and Concerns

Frequent smoking for IOP control raises concerns. Long-term lung problems and impaired mental function are possible. Conventional treatments also have side effects. However, rapid heart rate from cannabinoids may affect those with heart conditions.


Long-term effects on glaucoma patients are poorly understood. Tolerance and potential damage from reduced blood flow are open questions. The relationship between marijuana's effects on ocular hypertension and its overall impact on ocular hypertension treatment remains an ongoing area of research, especially within primary open-angle glaucoma research.

What Experts Say About Cannabinoids for Glaucoma

Medical experts in Europe generally recommend traditional treatments for glaucoma over cannabis products due to their reliability and proven effectiveness. Research on using cannabinoids to treat glaucoma is still limited, and organizations like the European Glaucoma Society do not endorse cannabis as a treatment option.


Experts favor existing therapies for their:


  • Consistency
  • Fewer risks
  • Better-understood long-term effects

These traditional approaches often provide better control and minimize risks of optic neuropathy.

Nine Realms Customers Taking Notes

Making Informed Decisions: Cannabinoids for Glaucoma

Medical marijuana may offer relief for various conditions. However, using it for glaucoma is complicated. Scientific evidence is still developing. Meanwhile, established treatments offer more predictable outcomes.


Factor

Traditional Treatments

Cannabinoid-Based Treatments

IOP Lowering

Effective, long-lasting

Less effective, short duration

Side Effects

Present, but manageable for most

Potential for significant side effects with frequent use

Long-Term Effects

Well-studied

Limited research

Delivery Methods

Variety of options

Challenges with effective delivery

Cost Considerations

Covered by most insurance, standardized pricing

Fluctuating costs, variable availability, may not be covered


Never self-medicate with cannabis or any substance for glaucoma without consulting an eye doctor. Discuss suitable treatments with your doctor, including your medical history and current condition. Transparency is crucial for informed decisions about your health. It helps your doctor personalize treatment, manage glaucoma effectively, and preserve your vision.

In Other Words: Cannabis may offer short-term relief for glaucoma, but traditional treatments are more effective and longer-lasting. Cannabis research for glaucoma is still limited, and its frequent use can bring significant side effects. Always consult your eye doctor to choose the safest, most effective way to manage glaucoma and protect your vision.

Conclusion

Cannabinoids for glaucoma treatment seem promising, especially for those seeking alternatives. However, understanding the limitations and the limited scientific evidence is crucial. Traditional therapies remain the gold standard for managing glaucoma and avoiding long-term complications.


Ongoing research offers hope for future cannabinoid-based treatments. But we need more information about potential adverse effects and optimal delivery methods. Consult a medical professional for personalized advice. Conduct your own research and stay informed.

"Healthy vision helps us enjoy the world around us and leads to a better quality of life."

Dr. Jennifer Ashton

FAQs About Cannabinoids for Glaucoma Treatment

Can cannabis help with glaucoma?

Some studies suggest cannabinoids may temporarily reduce eye pressure, but the effect is too brief to replace traditional glaucoma treatments.

Are there risks with using cannabis for glaucoma?

Yes, while cannabis might lower eye pressure for a short time, it can also cause side effects like dizziness and may increase eye pressure when it wears off, which isn’t ideal for glaucoma.

Why don’t doctors in Europe prescribe cannabis for glaucoma?

European doctors generally stick with proven treatments like eye drops or surgery, as these options are safer and have more consistent results for managing glaucoma long-term.

Pretty Cool Nine Realms Blog Author

Author: Edijs Eleksis

Growing up in a country where cannabis was stigmatized and even shamed, Edijs faced many roadblocks to get to enjoy the benefits of this plant. However, as more countries worldwide are opening up to the idea of cannabis-available society, Edijs is inspired to take on a mission: spreading awareness about cannabis and its industry in Europe through engaging, educational blog content. Because only with more information, humans as a collective, can make decisions that are better for all of us!