For those who tried cannabis medication: Do you think it is THC that helps you, or might it be CBD (cannabidiol)?
Oil drops with 5% CBD are legally available here (and absurdely expensive). I wonder if it's worth a try and if 5% are enough. And how many ml it would take to get relief.
Treatments, desensitization, pills, exercises - solutions
5 days later
KM A new scientific study I just came across.
https://www.sciencedaily.com/releases/2018/12/181217151537.htm
I feel that this is only relevant if you already have preexisting eye and/or optic nerve damage. I don't know if I ever mentioned this before but when I was born I had a damaged optic nerve but only started having the problem (first from lights, not computer screens) in September 2011. Then it all went downhill from there 
lol.
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KM Any comment? Is it full oil that contains THC in the medical program?
https://labiotech.eu/sponsored/medical-cannabis-new-developments-dentons/
The cruel irony is that it's easier to get a THC oil with low/minimal CBD here...
Duuuh
JTL I don't know much. I bought 4% CBD oil ("Optima CBD") in my local pharmacy a few days ago. It requires no prescription, so it's not what you'd call "medical", I suppose. But probably better that many oils you can buy online. It seems to be very clean stuff, they state 99.87% pure CBD and no other cannabinoids like THC at all (0.00% each).
1 drop contains 2 mg CBD. I tried up to 3 drops, and while they seem to slightly dampen the eye strain and headache a little, it won't go away and comes back after some hours/the next day. I'm hesitant to take any higher dose. I'm not sure if this is healthy over time. They claim there are no known side-effects at all. I think it is recommended not to take more than 10 mg a day (I did read that somewhere).
I don't know the dose they gave the mice in their experiment. Treating anxiety and pain should take just some few mg (drops) while the treatment of other conditions requires hundreds of mg.
This CBD oil... Unbelievable how effective it is. Not helping with eye strain, but it is relaxing. I take just 1 drop and after some minutes am relaxed and smiling, and people notice.
KM Here's a link the original paper, it's open access so it's not piracy et al.
https://iovs.arvojournals.org/article.aspx?articleid=2718702
20 days later
I am waiting for my Kindle to read it, but here is a book of eye exercises one can buy online in pdf and ePub format
https://www.tryunity.net/store/p14/Refreshing_Vision_Ebook.html
I am not sure, maybe it was already brought up in the past...
4 months later
martin hi, alternative medicine is more accepted nowadays due to its promising results unlike pharmaceutical medicine, alternative medicine doesn’t give a negative effect such as kidney and liver problems when it comes to long term use. As for my alternative medicine usage, I use medical marijuana. The different strain has a variety of uses and effects depending on your needs. Like this marijuana strain https://www.gyo.green/the-cali-connection-tahoe-og-kush-con-tog-f.html. This strain has a very potent effect on chronic pains like back pain and joint pain and a lot more. The benefits of marijuana, specifically the CBD cannabinoid, are undeniable. Let's take a look at all of the ways CBD is helping patients every day. just sharing have a nice day
arethamorce Thanks. The problem is that such drug is available in a very limited number of countries. Well, at least to legally cure eyestrain or back-pain!
2 months later
Researchers found the helpful side of Cannabis. Cannabis is known as for addiction only but now it can be our Alternative Medicine. Cannabis now has many benefits that will be good for your health. Cannabis oil is produced by extracting the resin of the female cannabis plant using a solvent. After the resin is dissolved in the solvent, It is evaporated leaving a concentrated extract behind. CBD Oil is a type of oil that contains CBD but does not contain THC which can give you a high efficiency. CBD Oil is from that cannabis flower, However, Cannabis now is proven that can help people to relieve pains or lessen seizure attacks. I have read many articles suggesting that cannabis has a very potent effect when it comes with pain and inflammation like this strain on blimburnseeds.com/news/marijuana/news/media-tv/top-10-celebrity-potheads/attachment/2583-2/
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At least in my case, I believe the effect triggered by certain screens and lighting might be a type of migraine. Or at least that's the class it belongs in rather than anxiety, epilepsy, eye strain, etc.
It has a different set of symptoms to a standard migraine and is longer lasting. It is also unusual how quickly it triggers with some devices (even very brief use of smartphones can cause mild effects which get worse cumulatively with more use).
I'm looking into approaches to try prevent it with doctors, and will report back.
I think tech companies have some answering to do too if they have created devices that can trigger such things (even if some of us are more susceptible than others). No natural light source or computer system without "bad technology" seems to trigger these things and it has had a pretty devastating effect on my work and life.
I'd be happy to join a class action just to push them to create safer technology, if anyone can demonstrate a clear link and have the illness that is induced recognised.
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hpst My wager is still on Temporal Dithering. I think PCoIP analysis will prove conclusive to show the link between pixel movement and 'bad' devices. The only time I have felt symptoms on this computer is using a Shadow PC.
The good news is that there is a way to turn off Temporal Dithering, we just need access to it - so the fix has already been made.
So some thoughts on CBD/THC:
CBD oil is almost exclusively extracted from hemp, which is a subspecies of the cannabis sativa plant (saying that it's the male versus female variant of the plant is an oversimplification, although many people claim this). Hemp contains very little THC (varies from 0.03% in industrial hemp to a couple percent in medicinal hemp), and has many uses throughout the world. It is legal (the industrial variant) in all 50 states, although its close association with marijuana has led to barriers to its use (also the lumber and wood pulp industries have lobbied hard against it).
All variants of cannabis have a dozen or more "cannabinoids", which are a class of compounds including CBD and THC (the two with the highest concentration). THC is the only cannabinoid which causes psychoactive effects (the "high" associated with marijuana use), but others have varying benefits and effects on the central nervous system which are not well documented at present due to the stigma against marijuana impeding solid research.
What JLT and others have tried is actual "cannabis oil". This is oil that's extracted from the marijuana variant of the cannabis plant, and has varying amounts of THC. Some variants of cannabis oil, such as the now-infamous "Charlotte's Web", have been bred to have extremely low THC (<1%) and extremely high CBD (>50%). Others have a more balanced amount. It's common to see oils that are "90% THC, 7% CBD".
In my opinion, CBD is amazing for relaxation in combination with the other cannabinoids and natural terpenes found in both hemp and marijuana. Sadly, the CBD in actual marijuana seems FAR more effective, because THC boosts its efficacy. This creates problems - first of all, in many places THC is still illegal, and even if it is legal you can't exactly get high and drive to work so maintaining a consistent blood level of the drug in order to experience alleviation of symptoms becomes difficult.
The best effect, for those of you who want to try this and live in a legal jurisdiction, is to go to a dispensary and acquire a "high CBD strain" of marijuana oil. The biggest impediment to this is that in many places (my own locality, as an example) these strains are reserved for those with medical marijuana prescriptions.
The big question here is "does this work?", of course, and the answer isn't simple. JTL has had a cessation of symptomology (cheer!) but it is my firm belief that in order to see any benefit, one has to be diligent with application of the medicine, which can be difficult to balance with family, work, and other obligations since even at low doses marijuana tends to make one a bit "dopey" or "silly".
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Gurm I've tried high quality CBD to no effect. I think weed or THC heavy vaped things help the same way any CNS depressant/intoxicant seems to help people. It just relaxes you enough to temper symptoms. Booze, benzos, opiates, anything that has strong effects is going to alter how you perceive things. Stay high and you can't be bothered.
hpst It may also be that, in cases where ezophoria is present, the CBD relaxes the muscles that are too tight, therefore adjusting vision. Big problem of mine was that I not only need to strengthen the lateral eye muscles after 30 or so years of misuse, but at the same time relax the inner (near nose and cavities) muscles to allow the lateral ones to work without having to do too much work. This is also the reason why sometimes having rhinitis can affect certain cases of heterophoria. In the opposite case of convergence insufficiency, what's needed is more effort at the inner eye muscles and not relaxation. However, bottom line, of course if you're very relaxed due to drugs or other inhibiting things, you might have an easier time with the problematic display tech.