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Medical Forum / General / Vision / September 2006need your opinion on RGP cleaning regimen
First of all my eyes react to every kind of storage soulution I have tried. I cannot even keep the lenses in saline because the preservants would irritate my eyes. Thus I am putting my lenses in saline solution overnight. The saline comes in small bottles of 5 ml. It is absolutely preservative free (the kind you use for injections). I need your opinion on the desinfection of lenses and container before storing the solution in saline. What I am doing is the following: (1) I clean the lenses rubbing them with a cleaning solution. (2) I put the lenses in the container (3) I put some peroxide solution in the container and shake it for some seconds. Afterwards I dispense the peroxide solution (4) I put some unpreserved saline in the container and shake it. Afterwards I dispense the saline. (5) I fill the container with unpreserved saline and close it. The lenses stay overnight in the unpreserved saline. (6) I use an enzyme tablet once in a week. I leave the lenses soaked in enzyme solution for some hours. Then I go back to step (3). Do you think that I can continue this way? Do you think that soaking RGP lenses and container with peroxide is not sufficient? Could the peroxide damage my RGPs (given that peroxide is for soft lenses) even if I use it only for some seconds on them? I would like to add that the unpreserved saline is absolutely sterile and I use every vial only once. Your routine sounds pretty reasonable, if each GP solution you've tried causes you problems. There may be some GP lenses that degrade with peroxide, but I suspect it'd already have happened. If your lenses remain clear, comfortable, and easy to wet, then there's nothing to fix. -MT, OD > First of all my eyes react to every kind of storage soulution I have > tried. I cannot even keep the lenses in saline because the preservants [quoted text clipped - 25 lines] > Could the peroxide damage my RGPs (given that peroxide is for soft > lenses) even if I use it only for some seconds on them? Is the OP killing the bugs? I thought most everything mentioned requires some time (4 to 6 hours?) to kill all the bugs? My nightly routine is rub with Optima ESC to remove deposits, rinse with tap water, soak in Unique PH overnight to sterilize and condition. One drop Systane Free Liquid Gel in the eye 10 minutes before insertion for cushioning. Every 2 weeks or so I will soak case, inserters, inserter cases, etc. in 2% hydrogen peroxide overnight and rinse with saline. I don't soak my RGPs in peroxide since I heard there were differing opinions on whether it was bad for some RGP materials.' -Quick > Your routine sounds pretty reasonable, if each GP > solution you've tried causes you problems. [quoted text clipped - 34 lines] >> is for soft lenses) even if I use it only for some >> seconds on them? > (1) I clean the lenses rubbing them with a cleaning solution. is this a mildly abrasive milky solution? these types of solutions containing silicone dioxide (i believe) particles are the better cleaning solutions rather than the "all in one" solutions that have become popular lately. > (2) I put the lenses in the container > (3) I put some peroxide solution in the container and shake it for some > seconds. Afterwards I dispense the peroxide solution why not soak the lenses in peroxide for awhile rather than a quick shaking? peroxide is a great disinfectant and a reasonable cleaner as well. just be sure to rinse it off and allow it to completely break down before putting the lenses in your eyes. > (4) I put some unpreserved saline in the container and shake it. > Afterwards I dispense the saline. > (5) I fill the container with unpreserved saline and close it. The > lenses stay overnight in the unpreserved saline. > (6) I use an enzyme tablet once in a week. I leave the lenses soaked in > enzyme solution for some hours. Then I go back to step (3). perhaps twice a week might be slightly better, but once a week is OK for most patients. > Do you think that I can continue this way? > [quoted text clipped - 3 lines] > Could the peroxide damage my RGPs (given that peroxide is for soft > lenses) even if I use it only for some seconds on them? don't worry about using peroxide on RGP's Thanks for your opinions. I will continue with this regimen. |
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