Visian ICL Vision Correction For Visual Freedom

2.0 Introduction

The purpose of this post is to help you decide if you want to have the Visian Toric
Implantable Collamer Lens (TICL) placed in one or both of your eyes to treat your
nearsightedness (or myopia) and astigmatism. It is important for you to understand both
the benefits and risks of this surgery before you make a decision. The “Glossary” in this
booklet explains the meaning of all words printed in italics. Please read this entire
booklet carefully and discuss your questions with a doctor who is trained in Visian Toric
ICL surgery.

3.0 What Is Nearsightedness with Astigmatism

Your eye works like a camera. You see objects because your eye focuses light into
images. Both the clear front layer of your eye, called the cornea, and your natural
crystalline lens focuses rays of light onto the back surface of the eye, called the retina.
Diagram 1 shows how an eye with normal vision focuses rays of light onto the retina at
the back of the eye.

Nearsightedness is a focusing error that causes blurrier vision at distance than at near. Light
from an object in the distance focuses in front of the back surface of your eye (retina)
responsible for capturing images, rather than directly on the retina. Your eyeglass prescription
tells your doctor how nearsighted you are. Diagram 2 shows how a nearsighted eye with blurry
vision focuses light at a point in front of the retina.

Glasses and contact lenses can help your eye focus light properly on the retina.
The Visian ICL can also help your eye focus light properly on the retina.

4.0 How Does Visian ICL Correct Nearsightedness?

The Visian ICL is a lens made from a soft plastic and natural collagen-based material called
collamer. It is similar to lenses that are placed in the eye (intraocular lenses) to correct vision
after cataract surgery. The Visian ICL is placed in the eye through a small cut, and is placed

behind the colored part of the eye (iris) and in front of the natural lens (crystalline lens). When
placed correctly, the Visian ICL focuses light properly on the back surface of your eye (retina).
Diagram 3 shows how light is focused in a nearsighted eye that has been implanted with a
Visian ICL.

A diopter (D) is a unit of focusing power used to describe the amount of nearsightedness or
focusing error (astigmatism) in the eye. Visian ICL surgery is designed to treat nearsightedness
between –3D to –15D, and reduce nearsightedness up to -20D in eyes with up to 2.5D of
astigmatism. If you have nearsightedness within these ranges, Visian ICL surgery may improve
your distance vision without eyeglasses or contact lenses.

The Visian ICL will not correct any astigmatism you may have. Astigmatism is a focusing error
of the eye that results in blurred vision. In eyes with astigmatism, the clear front layer of the eye
that lets light enter (cornea) is more curved in some directions than others. This causes light rays
to focus at different points inside the eye and some parts of objects will appear clearer than other
parts. Diagram 4 shows how an eye with astigmatism may focus light.

Visian ICL surgery is permanent as long as the Visian ICL stays in your eye. The Visian ICL can
be removed at a future date. However, the residual effect of the Visian ICL on your eye after it is
removed is not known. If your physician removes the Visian ICL, you will lose the benefit of
your nearsightedness correction. This means that your vision may not return to what it was like
before the Visian ICL surgery.

5.0 Other Treatments to Correct Nearsightedness?

Other treatments for nearsightedness include eyeglasses, contact lenses or other eye surgeries.
Eye surgeries available to correct nearsightedness include Radial Keratotomy (RK),
Photorefractive Keratectomy (PRK), Laser Assisted in situ Keratomileusis (LASIK) and Phakic
Intraocular Lens implantation (the Visian ICL is a phakic intraocular lens). These surgeries may
not meet the vision requirements for some careers, such as military service. Eye surgeries can
either change the shape of the front surface of the clear layer at the front of your eye (cornea),
including RK, PRK and LASIK, or require the insertion of a lens into the eye. RK uses a surgical
instrument to make fine cuts in the cornea. PRK and LASIK use a laser to reshape the cornea.
For LASIK, an instrument cuts a thin flap of tissue from the front of your cornea. This corneal
flap is folded back and a laser removes tissue under the flap to change the shape of the cornea.
The flap is then put back in place for the eye to heal.

6.0 Benefits And Risks Of The Visian ICL for Nearsightedness

Benefits
Visian ICL surgery can safely correct nearsightedness between –3D to –15D, and partially
correct nearsightedness up to -20D in eyes with up to 2.5D of astigmatism.
If your eyeglass prescription is in these ranges, the Visian ICL may make your distance vision
without eyeglasses or contact lens correction better. Placing the Visian ICL into the eye requires
surgery, and all eye surgery carries potentially serious risks. Please review this booklet and
discuss the risks with your doctor.

to know more just read https://staar.com/file/FINAL-MICL-PIB-Rev-3.pdf

The latest technology to treat astigmatism Contoura vision

Astigmatism, or astigmatism, is a mismatch between the surface of the cornea and the inside of the eye. Often the problem occurs at birth and may be associated with short or long eyesight.

Astigmatism is a common defect that can be treated with lenses or surgery, but with the development of medical technologies, it has become easier to treat with Wave light Allegretto ex500.

What is astigmatism?

The human eye is naturally spherical, so the light is refracted evenly on the eye to clearly show the vision. In patients with astigmatism, the eye is shaped in an oval, which reflects light in more than one direction, and allows a certain part of the object to be seen to appear clearly at the expense of the other part, which makes the image blurred.

What are the symptoms of astigmatism?

Symptoms of astigmatism can vary from person to person, some people may not experience any symptoms at all, and the symptoms of astigmatism include:

• Blurry or distorted vision in all directions (near or far).
• Difficulty seeing at night.
• Eye strain or discomfort from vision.
• Squinting (pressing the eyes hard to see).
• Eye irritation.
• Feeling of headache.

What are the methods of treating astigmatism?

Almost all cases can be corrected with eyeglasses or contact lenses, and in some minor cases you may not need this procedure if there are no other vision problems present. While in some other cases astigmatism is associated with some visual problems such as keratoconus, in these cases there are two types of treatment:

1- Corrective Lenses

If you have astigmatism, your doctor will likely prescribe a special type of soft contact lens called toric. It can be made to bend light in one direction more than the other. If your condition is more severe, you may use rigid contact lenses, and your ophthalmologist will determine which is best for you.

2- Refractive processes

Refractive eye surgery refers to any surgical procedure used to repair vision problems. Recent years have witnessed tremendous developments in this field. Laser refractive eye surgery allows many patients to see better than at any other time in their lives.

Most types of vision correction surgery reshape the cornea to allow light to travel through it and focus properly on the back of the eye or the retina.

What is the difference between LASIK and Contoura vision?

LASIK technique is a surgical procedure that uses lasers to correct nearsightedness, farsightedness and astigmatism. In LASIK surgery, a thin incision is made in the cornea using either a microkeratome blade or a femtosecond laser. The surgeon folds the thin wound, then removes some corneal tissue beneath the wound using a laser.

In patients with nearsightedness or farsightedness, the goal of LASIK surgery is to restore the normal shape of the cornea and create light on the retina by making the cornea flat. LASIK can also correct astigmatism by correcting the shape of the cornea that is irregular to the normal shape of the cornea.

While Contoura vision is the latest medical development in the field of refractive surgery. During the annual meeting of the American Academy of Ophthalmology (AAO) in Las Vegas, November 14-17, 2015, Alcon presented new research findings to confirm the technology’s ability to treat glaucoma and cataracts and perform refractive surgeries.

Contoura Vision is a Tapography-guided LASIK technology, designed to provide surgeons with the ability to perform specialized laser procedures on patients with nearsightedness, farsightedness or whichever is associated with astigmatism.

What is wave light allegretto ex500 technology for astigmatism?

It is a new technology characterized by the inclusion of the ALLEGRO analyzer, whose main task is to measure the ability of the eye to see. The device works by sitting the patient in front of him and placing his head on the headrest and focusing on a specific image inside the device. The illuminated target helps the patient to maintain the stability of his eyes while taking the picture.

The device is characterized by high accuracy in reading measurements by means of a regular network of red spots flashing once while taking the picture. With ALLEGRO Analyzer, the patient will be able to get an idea of ​​his own eye defects and understand their causes.

What is the difference between the Wave light allegretto and other technologies?

In just a few minutes, you can start seeing the world in great detail, among the features of the technology:

High resolution

The doctor helps to correct vision by laser and reshape the cornea, while allowing light to pass through and refract precisely without suffering from astigmatism problems.

Super speed

Unlike the commonly used techniques, the device takes only seconds of laser treatment on each eye.

Effectiveness

You may notice clearer vision immediately after the procedure, and your vision will continue to improve in the following months.