Visian Toric ICL Implantable Collamer Lenses for Astigmatism
STAAR Visian Toric ICL (Implantable Contact Lenses) offers a safe and effective refractive treatment option for patients with even high levels of Astigmatism.
State Food and Drug Administration (SFDA) has allowed the marketing of STAAR Visian(TM) Toric Implantable Collamer Lens for the treatment of nearsightedness and astigmatism. The Visian Myopic ICL was approved in China during July 2006.
According to data presented at an ophthalmic meeting in Japan during January, STAAR’s Visian ICL and TICL were used in approximately 60% of Myopia and astigmatism surgeries.
Made of STAAR’s proprietary, highly biocompatible Collamer(R) material, the ICL, TICL and the ICH are the only minimally invasive foldable lenses.
The toric ICL is a posterior chamber sulcus fixated phakic IOL that can correct up to -19.0 D myopia and 6.0 D cylinder. The nice thing about the toric ICL, unlike the toric IOL, is that it doesn’t rotate in the eye, except in cases of trauma.
Doctors say, “with Toric ICL, No patient lost any lines of vision.The nice thing about this approach is that, unlike LASIK you do not have to overcorrect.You get a very stable refraction from day one”.
The short-term results with the toric ICL are very encouraging.The accuracy is better than LASIK for high myopia.We get much better immediate and long-term results and stability than with LASIK.The surgery itself is not technically difficult, taking only 10 to 15 minutes on average.
The learning curve is short. It is much easier to learn than phaco.
Currently, The lowest correction available with the toric ICL is -1.25 D and 0.75 cylinder.The
highest correction is -14D, with 5 degrees of cylinder or -18D with a three-quarters
cylinder. Surgeons order custom-made lenses for each patient.
How Surgeons implants Toric ICL?
The toric ICL is provided with correct power and sphere, but cylinder axis is different by up to 20 degrees.The surgeon, therefore, needs to dial the lens into position.While at the slit-lamp Dr marks the cornea at the 90-degree axis, then in surgery he marks the axis the lens
is to be dialled into.
Surgeons around the world now prefers the ICL to the iris clip phakic IOL because there is no
concern about endothelial cell loss. Lasik is fast becoming a dead surgical technique to correct eyes/myopia/astigmatism or nearsightedness.
November 9th, 2008 at 9:01 pm
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