Licocaine for numbing the eyes?
For a project I have to numb my eyes (not both at the same time but one by one). Now a bit of research revealed that there are eyedrops containing lidocaine but they aren't legally available in my country. Anyway, I still have some 2% lidocaine solution for injecting. The indrigents are basically just saline + lidocaine hydrochloride 1 h2o. Are there any dangers if I drop (not inject ofc.) this in my eyes? Any hints how many drops I would need?
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Nothing that fits to biohacking, I just ask here as you guys are more open than the bodymodding scene. :)
So two drops? How long to wait between the drops and how long after the last?
http://www.rxlist.com/akten-drug.htm
So this is what I made for the procedure. It's the equivalent of Akten.
The brand Genteal sells a version with the comparable amounts of Hypromellose, Sodium Chloride, and Purified Water. The proportion you want is 35mg of lidocaine IN 1ml of gel.. unfortunately, you can't do it. The 2% lidocaine is only 20mg per ml of fluid. It's ok. There's a solution to this. So mix, 1ml of 2% lidocaine with 1ml of gel. You'll get a very loose gel. The strength is now 1%.. this is 10mg/1ml.
Normally, you administer 2 drops to the eye. Because of the difference in strength though, administer closer to 7. Hold pressure at the inner canthus to prevent the fluid from draining and keep your eye open. Effects start in 5-10 minutes. You can reapply more as needed. This isn't medical advice mind you.. just explaining what I did.
Normal disclaimer: Don't do this.. you'll go blind and die and all that fun.
//EDIT: Just saw the post about Genteal, will order it.
//EDIT²: @Cassox is this the right one: http://www.amazon.de/Novartis-GENTEAL-Augentr-3X10-ml/dp/B000X1CI3I ?
//EDIT³: Or this one: http://www.amazon.de/GenTeal-Severe-Relief-Sterile-Lubricant/dp/B002Z9CFPW/ ?
So I guess it's the right one.
@glims I really didn't want to say it cause in real life there are enough people telling me I'm crazy as I already tried it without numbing my eyes but eyeball tattoo.
@Meanderpaul Just black.
Tried it with the genteal gel but it's just as the other: Gets liquid while stiring. Anyway, I tried it and here's the result:
As you see I start with little color as it will spread while healing anyway and I didn't want to put too much color in. Let's see how it looks in 3 months and maybe continue then. :)
//EDIT: Any more ideas for numbing the eyes (for continuing and/or the second eye) ? The gel doesn't really work (well, it works but is very liquid so it doesn't work best) and also the lidocaine doesn't last long, esp. as I have to clean the eye with saline multiple times, washing the lidocaine out.
//EDIT²: It's spreading faster than expected and even the blood looks great:
Can't wait to continue this in 3 months.
https://www.google.com/amp/s/www.drugs.com/amp/sfx/epinephrine-ophthalmic-side-effects.html?client=ms-android-verizon
There can be serious side effects including loss of visual acuity. I haven't calculated out the dosage but there's really reason to bother. Get lido without epi.
There are several IOPs that sell plain lido in vials and other formulations. I know one that sells the ophthalmic solution specifically. You have to be willing to wait about 2 weeks due to shipping time, but it's worth it. I don't know whether it's kosher to link them here, but I know a few that sell lido and I've done enough business with them that I trust them. Researching and buying medication from IOPs has been my project for the past year after my dad's insurance stopped paying for his $7k/month cancer treatment.