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Posts Tagged ‘icl information’

Visian ICL: Taking a Closer Look at the Material

Tuesday, April 8th, 2008

One of the best characteristics of the Visian ICL procedure is the fact that the actual lens is made from a material called Collamer.  Vision ICL is the only eye implant that is made from this material, which makes it truly unique when compared to other types of implants.   In order to better understand the benefits to using Visian ICL, it is helpful to first gain a better understanding of the composition of this lens.

Understanding the Collamer Composition

The Collamer used in Visian ICL is actually a special type of co-polymer collagen.  In fact, the word “Collamer” is created by combining the words “Collagen” and “Co-polymer.”  In scientific terms, the material is created by bonding collagen with a special chromophore that is capable of absorbing UV light.  Once bonded, the materials form a poly-HEMA based co-polymer.

Since Collamer is made entirely from the collagen co-polymer, it is biocompatible with the eye and is capable of providing a very high level of optical performance.  It is also easy to implant in the eye because it can be folded and it unfolds easily once it is inserted.  As a result, only a very small incision has to be made.  This means no sutures are needed and the incision is able to heal quickly.

The Benefits of Visian ICL

Aside from the fact that implanting Visian ICL is a relatively simple procedure, there are several other benefits associated with this Collamer lens.

One of the benefits to using Visian ICL is the fact that Collamer is able to transmit light in a manner that is very similar to the eye’s lens.  This is because Collamer is almost identical in composition to the crystalline lens found in the human eye.

Collamer also has a built-in anti-reflective interface, which is caused by the fact that 40% of the Visian ICL lens is actually made from water. Due to the higher water concentration, it gradually changes the refractive index from the aqueous to the lens.  Since the light patterns created with the Visian ICL are almost the same as the natural lens, less light is reflected and potentially helps reduce dysphotopsias.

Since Visian ICL is made from collagen, it is able to attract fibronectin after the implant has been inserted.  Fibronectin is found naturally in the eye, so having a layer of this substance form around the lens helps to prevent white cell adhesion to the lens.  This means the body does not look at the lens as a foreign object and it is able to remain unnoticed by the body.

The Visian ICL lens also remains free from protein build-up because the Collamer contains a slight negative iconic charge.  Since protein also has a negative charge, the two repel each other and protein is unable to adhere to the surface of the lens.  This means vision remains clear and crisp indefinitely, unless an actual change to the eye occurs.

The Collamer used in Visian ICL is truly unique.  With the help of these unique characteristics, it provides a superior means for improving the vision of those that qualify for the procedure.

Deciding if Visian ICL is Right for You

Sunday, April 6th, 2008

Are you considering getting Visian ICL in order to correct your vision?  If so, you are likely to be very pleased with the results.  At the same time, you should understand the benefits of the procedure and know for certain whether or not you are a suitable candidate before you start looking at having Visian ICL performed to improve your vision.

Why the Visian ICL Procedure is a Good Choice for Vision Correction

There are many advantages to using the Visian ICL procedure to correct your vision.  Namely, the procedure helps most people gain freedom from their glasses by improving visual acuity and helping to make the vision sharper.  In addition to improved vision, the Visian ICL procedure also offers benefits such as:

  • Only requiring a small incision, which means no sutures are required and healing time is fast
  • The lens is inserted in the posterior chamber of the eye, which makes it invisible
  • It is made from Collamer, which is biocompatible with the eye

To date, the Visian ICL implants have been placed in over 60,000 eyes around the world. It also has a proven track record of success, having been used to help improve the vision of others for the past 15 years.

What Makes for a Good ICL Candidate?

In order to be considered a good candidate for Visian ICL, you should:

  • Be between the ages of 21 and 45.
  • Not be pregnant
  • Not have allergies to the medication that is used during the procedure
  • Not have health problems that may cause complication
  • Have enough eye tissue density and a proper anterior chamber depth, which can be determined with an eye examination
  • Not have experienced changes to your eyeglass prescription of more than 0.5 over the past year

Most people that meet these criteria will be eligible for the Visian ICL procedure.  Whether you are farsighted or nearsighted and whether or not you have astigmatism does not affect your eligibility for Visian ICL.  Even if you have severe myopia of up to a -20D prescription, you can still be eligible so long as you have an only minor case of astigmatism.  It should be noted, however, that the Visian Toric ICL is currently under review with the FDA and is capable of correcting myopia that is accompanied by astigmatism.

The Visian ICL procedure is also a good alternative for people that are no candidates for LASIK surgery because their cornea is too thin or because they suffer from dry eyes.  It should not be looked at as only an alternative for those that are not eligible for LASIK, however, as Visian ICL is a much safer choice that does not create a permanent change to the eye.  For that reason, even individuals that may qualify for the LASIK procedure may wish to use the Visian ICL procedure instead.

The Visian ICL procedure can help literally thousands of people enjoy better vision.  With its fast recovery time, excellent results, and lack of permanent change to the eye, it is clearly a great choice for anyone looking to finally say goodbye to their glasses.