Effects & Health
CBD and eyes: cataracts and glaucoma at a glance
By Vapor Spirit Fachteam
Find out what is known so far about cannabidiol (CBD) and cannabis in connection with cataracts and
glaucoma.
In our article, we shed light on what research is investigating regarding cannabinoids and
intraocular pressure – a central aspect of glaucoma conditions such as
open-angle glaucoma. There is no reliable evidence so far for an effect in eye diseases. We explain
what studies say on topics such as cannabis for cataracts, CBD for eye diseases,
THC for glaucoma, CBD side effects on intraocular pressure and
hemp against increased intraocular pressure. We also clarify:
Can smoking weed help with cataracts or glaucoma – or even cause harm?
CBD for cataracts and CBD for glaucoma
Cataracts are one of the most common causes of vision loss
worldwide. Treatment belongs in the hands of an ophthalmologist; nevertheless, many people wonder what role
cannabinoids play in this context. Your CBD Öl Testsieger Schweiz

CBD for the eyes and cataracts: CBD for eye diseases
The focus is on CBD cannabidiol, a non-psychoactive component of the cannabis plant.
In this blog post, we look at the state of research on CBD and cataracts
and also examine the connection between CBD and glaucoma.
What are cataracts?
A cataract is a clouding of the eye lens that impairs vision and, if left untreated,
can lead to blindness. The condition often occurs with age, but can also be caused by
injuries, genetic factors or certain medications.
Symptoms of cataracts:
- Blurred vision
- Sensitivity to light
- Colours appear faded
- Double vision or hazy vision
What is being investigated regarding THC, CBD and cataracts?
In laboratory studies, CBD is being investigated for antioxidant properties, among other things.
Since oxidative processes are discussed in connection with the development of cataracts, the topic is of interest to research.
However, there is no evidence that CBD influences the course of the disease
in humans.
Topics investigated in connection with CBD and cataracts:
- Inflammatory processes:
Laboratory and animal studies are investigating whether cannabinoids influence inflammatory processes. This has not been proven in humans. - Oxidative stress:
The antioxidant properties of cannabidiol are being investigated in preclinical studies.
Whether this results in a benefit for the eyes
is open. - Eye complaints:
Cataracts do not normally cause pain. Eye complaints should always be examined by an ophthalmologist.
Research on cannabidiol and cataracts
There are currently only a few clinical studies that deal explicitly with cannabidiol and cataracts.
However, some animal experiments and preclinical studies suggest that
cannabidiol could possibly play a protective role for the eyes. Further
research is needed to determine the exact influence of cannabidiol on cataracts
with certainty.
CBD and glaucoma: is there a connection?
Besides cataracts, glaucoma is another common eye disease,
which is characterised by increased intraocular pressure and damage to the optic nerve.
is. CBD oil glaucoma is a common search term; however, research on cannabinoids and
glaucoma is still in its early stages.
What is glaucoma?
Glaucoma is caused by increased intraocular pressure, which can damage the optic nerve.
If left untreated, glaucoma can lead to permanent blindness. The condition
is often associated with age, but can also occur at a younger age.
Symptoms of glaucoma:
- Slow deterioration of eyesight
- Tunnel vision
- Blind spots in the field of vision
- Sudden vision problems (in an acute glaucoma attack)
What do studies show about CBD and glaucoma?
The traditional treatment of glaucoma aims to lower intraocular pressure.
However, some studies have shown that CBD could possibly
even increase intraocular pressure, which can be problematic in the treatment
of glaucoma.
CBD and glaucoma: what is being researched?
Although there are indications that cannabidiol could increase intraocular pressure,
cannabinoids continue to be investigated in research for possible
neuroprotective properties. Whether this results in a benefit for the optic nerve
has not been proven; they do not replace glaucoma treatment.
THC and glaucoma
While CBD could potentially increase intraocular pressure, there are indications
that THC (tetrahydrocannabinol), another active compound of the cannabis plant, can
can temporarily lower intraocular pressure. However, treatment with THC belongs
exclusively in the hands of a doctor. It is also important to note that THC has psychoactive
effects that not every patient tolerates.
Current state of research on glaucoma
Research findings on the effect of CBD on glaucoma are contradictory.
Some studies suggest that cannabidiol, thanks to its neuroprotective properties,
could be helpful in treating optic nerve damage, while other studies
indicate that it could have a negative influence on intraocular pressure. Further
research is required to clearly determine the role of cannabidiol in the treatment of glaucoma
once and for all.

Conclusion: CBD for eye diseases such as cataracts and glaucoma
CBD is being investigated in laboratory and animal studies for antioxidant and inflammation-related properties. In the case of cataracts,
however, there is no evidence that CBD influences the course of the disease in humans.
In the case of glaucoma, research is also inconclusive,
and there is even a possibility that CBD may increase intraocular pressure
intraocular pressure.
CBD and glaucoma: what is known about eye pressure
Glaucoma is an eye disease in which the intraocular pressure
is increased and vision is impaired. Whether cannabinoids can play a role here
is being investigated in research; there is no reliable evidence so far.
The treatment of glaucoma belongs in the hands of an ophthalmologist,
as permanent damage to the optic nerve can occur if it is left untreated.
CBD and cataracts: what is known about cannabidiol and cataracts
A cataract occurs when the lens of the eye becomes cloudy, which
makes vision more difficult. Whether cannabidiol can play a role here
has so far been investigated mainly in preclinical studies.
An effect in the prevention or treatment of cataracts has not been proven;
the usual treatment is carried out by an ophthalmologist.
Cataracts and cannabis - glaucoma and cannabis
The intake of CBD and THC is often associated with lowering intraocular pressure
in discussions. Cannabis and intraocular pressure and glaucoma and THC are
central topics here.
People also often ask whether CBD can be bad for the eyes,
for example through CBD red eyes. On increased eye pressure and the keyword
lowering intraocular pressure with hemp, there is no reliable evidence – what role the endocannabinoid system plays
in this is being researched.
Cannabidiol and psychosis is being examined in studies, as is cannabidiol and schizophrenia
and the question of CBD and schizophrenia. With cataracts marijuana and
CBD oil and intraocular pressure there are also research approaches. Glaucoma and cannabis
as well as cataracts and canabis and cataracts and smoking weed are being discussed.
Glaucoma and cannabinoids are also of interest.
Many people are interested in buying hemp drops. Glaucoma marijuana is a common search term, but it is not a recognised treatment. Medical cannabis contains tetrahydrocannabinol THC
and is prescribed by a doctor – unlike freely available CBD products, which are not intended for the treatment of chronic pain.
The effects of cannabis can trigger allergic reactions, redness of the eyes, dry eyes
and changes in the retinal ganglion cells when you consume cannabis.
Cannabis oil and eyesight – whether CBD can be linked to
eyesight is scientifically open. Even with a higher CBD content, a positive
effect on the eye has not been proven.
Note
This article is intended solely for general information and does not constitute
medical advice. Cannabidiol (CBD) is not a medicinal product. No
healing or health claims are made.
Legal notice (Switzerland)
CBD products are legal in Switzerland provided the THC content is below 1 %.
The content refers exclusively to the legal situation in Switzerland.
Disclaimer
In the event of health complaints, a medical professional should always
be consulted.
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