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51 Comments
- Dochtuir, on 10/12/2007, -1/+11If you're putting contact lenses in and out correctly, there's no need to ever actually touch your eye.
- dustbin, on 10/12/2007, -0/+9@bennybertow
Maybe they weigh them like a toric lens - that way the dot will be on the same side. I donno, just a guess.
I'd imagine that finger pricks would still be required as a record of blood sugar levels, but this device could help maintain levels between tests. As a diabetic myself, I'm always happy when innovations like this come on the market. What would really make me happy though is if they could find a cure. - ABadInAlbany, on 10/12/2007, -0/+8@LacY ... if you're prejudiced against foreign sources, how about:
Department of Chemistry, State University of New York at Buffalo 14260-3000, USA. (UB has a solid medical and chem department, widely regarded in the field)
report abstract:
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9384729&dopt=Abstract
from the abstract:
"The results showed that the higher glucose content in tear samples is consistent with the higher glucose content in blood samples." - ABadInAlbany, on 10/12/2007, -2/+8And where did you complete your residency, Doctor?
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=15071801&dopt=Abstract
"It was observed that this test had a definite value in finding the hyperglycaemics semiquantitatively."
Sounds just as accurate as the average home pinprick test. - chatwithaninja, on 10/12/2007, -0/+6This is awesome for one reason: this could allow other people, say spouses, to determine a loved ones glucose level without forcing them to test their blood.
The top percentage of deaths in diabetes are people who let it go and they lie about their testing and they die. this could prevent that by changing the color of the lenses from clear to red or something similar.
The problem is the mental state of diabetics when thier blood sugar is off - they dont realise it is off cause they feel like everything is normal - its just the rest of the world that is acting wierd, not them... - ABadInAlbany, on 10/12/2007, -1/+7not all lenses are weighted, typically only torics or other asymmetrical lenses. but I'd think they probably weight these lenses to fix the position of that dot.
- wyefye, on 10/12/2007, -1/+5you do realize that contact lenses have weights on on them right? look very closely and youll see what looks like a little scratch, but its really a weight. Thats how they keep the contact aligned.
- dakboy, on 10/12/2007, -0/+4I'd like to know why SarcasticJerk got dugg down, he's dead on. A diabetic going hypoglycemic is a very strange beast. Yep, they lie. Then they get belligerent. Then they become a downright pain in the ass.
- anachronaut, on 10/12/2007, -2/+5"I do develop medical diagnostic devices; some of which measure blood glucose."
+
"I've got a good friend who been trying, unsuccessfully, to bring this exact technology to market for years."
+
"It's exasperating to have someone come with some small test and zillions of diabetics are ready to chuck their meter."
=
Sounds like you have a few pretty good reasons to be biased against this potential breakthrough. I'm not saying that is necessarily the case, but your statements give one cause to wonder. - underrun, on 10/12/2007, -0/+3As a type 1 diabetic I am happy to see ANY progress with this disease. Version 0.1 of anything is a little flaky but we need to start somewhere. I currently test my blood (finger prick) 5 or 6 times a day. It's a hassle to say the least and I'm happy for the thought that this might help me and all other diabetics some day.
- Bhima, on 10/12/2007, -0/+3@anachronaut: Absolutely. That and the fact I have a variety of different, series production & prototype, non invasive blood glucose meters that were either pulled from the market or development abandoned over the past 15 years sitting on the bookcase in my office.
I understand people don't like being stuck, I don't either and I've been with more collection devices than I can count. The simple fact is that this isn't close to being what diabetics need.
cpuenveny may be OK with any advancements but the what diabetics need are advancements that are accurate, reliable, fast, and tightly connected to blood sugar. Anything else is destined to be unsuccessful or worse have the FDA pull it from the market - cpuenvy, on 10/12/2007, -0/+3As a type 1 diabetic, I applaud and welcome any advancement. Bhima may work in the field, but that does not matter. He may have gone to a good school, but that is neither here nor there. If I go high or low, and if I had something to let my loved one know that is happening, that would be very helpful to me. Being able to test from a tear is amazing, and many good things can be learned from that. People that have diabetes will love this new form of testing. We may have meters, but I would take something less invasive any time. The shots don't bother me; it is the consistent pricking of my fingers that sucks. It hurts, and it leaves calluses on my fingertips. The calluses have black dots all over them. Did I mention that it hurts?
Like I said before, I am open to ANY advancement, no matter how insignificant some may think it is, and I am not alone. - MikeUnwired, on 10/12/2007, -0/+2It's incredibly snobbish to believe that a doctor has to be of a certain standing or published in a certain journal to have a useful and valid idea. I don't care if an auto mechanic or pole dancer comes-up with the idea -- I just want it implemented safely and effectively.
Actually, if the glucose in tears or whatever can be benchmarked and systematically read to produce a trend and level, then it wouldn't matter if it was blood or not. I'm all for continuous and effective monitoring, being a Type II Diabetic myself.
I'm not sure how I would like a colored dot in my field of vision -- it's like a smudge on my glasses of a bad pixel on my screen. I can't figure-out how the lenses know where to rotate so the dot is field left. I guess it may be in the left eye lens rather than on the left of every lens. I think I'd only want one dot on one lens -- who knows what else they might come-up with that I might want integrated into the other eye.
This would be major coop for the lens manufacturers as even people with no need for contacts and people that prefer glasses for vision correction would want non-corrective lenses for the monitoring tools. - SarcasticJerk, on 10/12/2007, -2/+4"The problem is the mental state of diabetics when thier blood sugar is off - they dont realise it is off cause they feel like everything is normal - its just the rest of the world that is acting wierd, not them..."
Diabetics tend to lie when they get low blood sugars. Sometimes they know what's going on, but say the opposite of what they mean.
Eg.
- "Do you need something to eat?"
- "No, I'm fine"
*snatches cookie and inhales it* - LacY, on 10/12/2007, -1/+3@ abadincrotch, no I'm not prejudiced against foreign journals--there are lots of low impact, or downright sketch, American journals. But it *isn't* a high impact journal, and as it's not a common one, my school doesn't subscribe so I couldn't read more that the title and a brief abstract. But thanks for the other link. Very interesting stuff.
- Bhima, on 10/12/2007, -4/+6
No I am not affected by this disease but I do develop medical diagnostic devices; some of which measure blood glucose.
Not to mention I've got a good friend who been trying, unsuccessfully, to bring this exact technology to market for years. What makes this not work isn't technology in physiology; it’s likely it will never work well. In may sound as good as a home pinprick test but its miles away from being usable. That 15 Minute lag time they talk about can best be described as an ‘optimistic’ time.
I have hope for other non invasive blood tests, just not this one and especially when this dead horse has been trotted out so many times. It's exasperating to have someone come with some small test and zillions of diabetics are ready to chuck their meter. All this will ever be is some sort of emergency measure; it will not be able to replace a meter for decades.
BTW Charles University - nagumi, on 10/12/2007, -0/+1I'm not diabetic but I do go hypoglycemic a lot and I tend to be indecisive, rude and downright mean. Five minutes after a glass of orange juice and I'm smiling again.
- Farkeologist, on 10/12/2007, -0/+1Joo Janta has finally gone to Contact Lenses! w00t!
- AnotherBrian, on 10/12/2007, -0/+1I guess this could give some hope to those retarded iridologists.
http://www.quackwatch.org/01QuackeryRelatedTopics/iridology.html - AngryPenguin47, on 10/12/2007, -0/+1wouldn't these contacts have to be located circumferentially with respect to the pupil? Meaning, you would have to first locate the dot on the contact, then insert it into your eye making sure that it is oriented to the left of the field of vision?
- PhillyMJS, on 10/12/2007, -0/+1Dugg up for making the HHGG 'peril-sensitive sunglasses' reference before I could.
~Philly - filovirus, on 10/12/2007, -4/+4Can it extract tears from gypsy? Very Nice.
- LacY, on 10/12/2007, -7/+7@ abadincrotch: Okay, but is the Journal of the Indian Medical Association a really *high impact* journal? I think I need some more articles to say it before I believe it.
- debiguana, on 10/12/2007, -0/+0@erichris: a BAC intoxication checker would be a good candidate for the 'opaque black" comment above :)
back on topic here -- My father-in-law is type-II diabetic, has to check several times a day, and is prone to get "zoned" and forget to eat. Something like this would be very useful to help monitor, even if not as accurate -- maybe a reminder or early warning type of system.
Anything will help. - PhotonAPI, on 10/12/2007, -0/+0I have diabetes. 22yrs. The thing that pisses me off now is that I pay 102 dollars for 101 test strips. Insurance covers 40$. Net 60$. So you will see the FDA get influenced by the companies that make the test strips. Accu-Check, Bayer. I think that it will delay or postpone this indefinitely. Someone with dough needs to sue the FDA like Rumsfeld when he worked for Searle-Nutrasweet. I depend on this stuff. SO. I want these contacts. SweetBloods will get the FDA.
- s3l1n4, on 10/12/2007, -1/+1I just showed this to my mum, who is a diabetes [type 1] suffererer (and I'm not supposed to say "sufferer") and she reserves judgement until she is offered it, which probably won't be for a long time and even if it is "released", it'll be out in America before England, I think.
@chatwithaninja
I agree with you, mostly. As someone who doesn't have the disease but can see it happening in someone I care for, it's very hard to watch my mum go "hypo", as her mental state is very..scary. - bennybertow, on 10/12/2007, -3/+3I thought that, too, until I tried contact lenses... Now I don't wanna go back to glasses :)
Though one point in the article sounds doesn't make sense: "A person wearing the glucose-sensitive lenses would see a small translucent dot on the left side of the visual field." - how can they assure the lenses are put in the same way every time? As they are round, you can rotate them by 360 degrees... - Skurt, on 10/12/2007, -0/+0I can just see it now... "No, really officer, I'm not drunk." "My contacts turn this color when I'm low on sugar."
- erichris, on 10/12/2007, -0/+0I wonder if they'll develop something similar for blood alcohol level? Sounds silly, but if someone can see evidence of intoxication, it might help clue them that it's unsafe to drive, for example.
- earthceltic, on 10/12/2007, -0/+0i'd say skip the little dot. Go for something more extreme.. maybe make huge D's on the lenses - that way when they pass out the medics (even though they check for sugar anyway) will see even faster what's going on, and normal people who don't have glucometers can be educated about it as well. Low sugar can act like many things.. many people can act drunk while they're hypo.. and it doesnt help that they often have fruity smelling breath (think wine). Hey that guy's just drunk, don't worry about him.. oh wait, he just passed out and is almost dead......
- crossers, on 07/21/2008, -0/+0oh nice. today in USA we have many diabetics.
http://www.shpe-sac.org
http://www.ocflex.com/
http://www.trgovinca.org
http://www.chasr.org/ - topbees, on 06/03/2009, -0/+0Find more contact lenses that check sugar from branded contact lenses at http://www.contactlensesvision.com
- whisperedlie, on 10/12/2007, -1/+1let's hope for no manufacturer mishaps, where the contacts turn opaque black when blood sugar is low.
- steenbean18, on 10/12/2007, -0/+0Do you think someone who's drunk is going to be able to tell whether their contacts say they're drunk or not?? They'll already be having a hard time seeing and making judgements. Just get a mini breathalyzer...they're not that expensive..
- PhotonAPI, on 10/12/2007, -0/+0Nope, I hope you realize that you made a stupid comment. There are millions of diabetics who are not going blind. There are many young people who can use this technology to prevent problems. I'm not going blind. I have retinopathy. pre stage one for 22 yrs. So why wouldn't I get these contacts? You must control your blood sugar to not have bad things happen to your body. You must stay in shape so that you have good blood circulation. If you have something against Diabetics the sweetbloods will take you out bitch. hahahahahahaha good luck
- steenbean18, on 10/12/2007, -0/+0I don't mean just by using pumps of course...I'm sure you'd agree that there are a LOT of things that influence how well you manage your diabetes.
- steenbean18, on 10/12/2007, -0/+0Great point...even if this doesn't work out, it opens the door for a lot of other technology along these lines.
- steenbean18, on 10/12/2007, -0/+0I hope you're being sarcastic...
- PhotonAPI, on 10/12/2007, -0/+0They have eye problems cause they never had the contacts! Control is key.
- steenbean18, on 10/12/2007, -0/+0I'm a pharmacist...of course I don't have anything against diabetics. But... my point is that if diabetes can cause problems with vision (which it can), then how many people would a technology like this really help? Not to mention the fact that when you're going hypoglycemic you're not exactly "all there". I have several friends and patients who are diabetic, and if you ask me....the best way to stay on top of things is to try to prevent hypoglycemia in the first place by using pumps. They're coming out with some now that allow you to set a range. If your blood glucose goes out of that range, it will set off an alarm and you have the option of setting it so that it automatically gives you your insulin...sounds a little more helpful to me than this idea...but...every advance is exciting, and it'll be interesting to see how well this works.
- daglenzen, on 03/25/2009, -0/+0contactlenzen, we like to sell also on our next contactlenzen shops: http://www.onlinecontactlenses.nl and http://contactlenzenwinkel.nl and http://www.contactlenzenopticien.nl .
- timfra571, on 08/24/2008, -0/+0Many contact lenses had been around for quite a while (I think more than 25 year) but this sounds quite unreal.
Contact Lenses - masskurec, on 03/03/2009, -0/+0time to change my lenses
http://xptweak.net - Dochtuir, on 10/12/2007, -2/+1Perhaps a dot on the left lense, regardless of position would appear somewhere to your left? It might not be exact position every time, but always off centre.
- underrun, on 10/12/2007, -1/+0pre-ditto
- Dochtuir, on 10/12/2007, -2/+1Will you stop with the lyrics already? I'm one more comment away from blocking you.
- steenbean18, on 10/12/2007, -1/+0Not sure if anybody's mentioned this yet...but what's the point of having contact lenses that detect blood sugar when a very large percent of diabetics have glaucoma, cataracts, or retinopathy?? Isn't it going to be hard to see that little dot if you're going BLIND?!?
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