what's the difference between a YAG laser & an argon laser?

Question

which has better results in post cataract opacification surgery?

yes please..what are the advantages and disadvantages of using each in posterior capsulotomy?

Answer 1

nd Yag laser is the standard for post cataract capsulotomy. It is a photo disruptive laser (does not heat tissue) that focuses it's energy into an extremely small spot and creates a small "explosion" inside the eye that is directed back toward the surgeon. This "explosion" mechanically opens a hole in the opacified capsule. By linking a series of holes together, the surgeon can create a large enough hole in the capsule to completely clear the pupillary zone of all optical interference. It can also be used for iridectomies by mechanically creating a hole in the iris for patients with acute closed angle glaucoma or a high risk of developing it. I recommend it more than argon for iridectomies because you tend to see more iridectomy holes "seal up" again follwing argon laser.

The argon laser is a photo thermal "hot" laser which by creating extreme heat in a very localized area can destroy tissue by burning it. Argon lasers have many more uses in the medical world than Yag lasers. In the eye, argon laser can be used to treat posterior segment problems of the retina for diabetic retinopathy, retinal holes, retinal bleeds, etc. More anteriorly, the argon laser is useful for iridectomy of the iris (creation of a hole in the iris to allow fluid from the posterior segment to flow directly through the iris into the anterior segment). This procedure is most commonly used for cases of acute closed angle glaucoma. It can also be used in the trabeculum of the eye to increase outflow of aqueous in patients with chronic open angle glaucoma. Hope this helped.

Answer 2

Yag laser is a cool laser mainly for posterior capsule opacifications. Argon laser are heat lasers usually used to zap bllod vessels in the retina and to create peripheral iridotomies.

Answer 3

we usually use YAG for after cataract , and the results are always outstanding .
argon is used in other cases like iridotomy [ making a hole in the iris ] for example .
if you want to know the scientific facts about both , I can add them , or you can ask me about whatever you want to know .

Edit : I fully agree with yagman and I don't think I can add more , but If you have a certain concern , e-mail me

Answer 4

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