CentraSight®

Telescope Implant 

The CentraSight treatment programme involves four steps

To be considered as a possible candidate for the treatment, you must first be examined by an ophthalmologist to confirm that you have End-Stage AMD.

This will involve a thorough medical eye examination and a review of your medical history, including any conditions that may make the procedure difficult for you or increase the likelihood of complications. Your ophthalmologist will explain the benefits and risks of the CentraSight treatment programme and answer any questions you may have.

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What is CentraSight and the Telescope Implant?

The CentraSight treatment programme uses a tiny telescope, a CE Marked medical device, which is implanted inside the eye to improve vision and quality of life for individuals affected by End-Stage AMD.

The Implantable Miniature Telescope (by Dr. Isaac Lipshitz), about the size of a pea, is intended to improve distance and near vision in people who have lost central vision in both eyes because of End-Stage AMD. The telescope implant is surgically placed inside one eye.

The implanted eye provides central vision; the other eye provides peripheral vision. The telescope implant is not a cure for End-Stage AMD. It will not restore your vision to the level it was before you had AMD, and it will not completely correct your vision loss. Patients with this level of AMD have had to cease driving due to their vision; after the telescope procedure, although near and distance vision may improve, driving will not be possible because the implant does not restore normal vision.

Am I suitable for this treatment?

In general, to be considered a potential candidate for the telescope implant an ophthalmologist must first confirm that you:

  • Have irreversible, End-Stage AMD resulting from either dry or wet AMD
  • Are no longer a candidate for drug treatment of your AMD
  • Have not had cataract surgery in the eye in which the telescope will be implanted
  • Meet age, vision, and cornea health requirements

After the ophthalmologist confirms that you are a potential candidate, your vision will be tested using an external telescope simulator.

The results of the test and visual training/rehabilitation evaluation will help you and your ophthalmologist decide if you are likely to benefit from the CentraSight treatment programme.

If so, the tests will also help you and your ophthalmologist discuss which eye should be treated and what your vision may be like after the treatment.

You should talk to your doctor to see if this procedure is right for you.

A member of your CentraSight team is involved at each step of the treatment. All CentraSight team members are highly qualified professionals, with special training in the CentraSight treatment programme and the Implantable Telescope Technology. The following pages explain what you can expect at each step of the programme.

The telescope implant is not a cure that “sees” for you.  For the telescope implant to work for you, you will need to work with low vision specialists as well as practise on your own at home.

Visual goals will be assessed with an external telescope simulation during your candidacy visits.

Some Realistic Goals:                                                                                                                     

  • Recognising faces of family and friends                         
  • Watching television
  • Reading
  • Various hobbies like painting, knitting or gardening

Some Unrealistic Goals:

  • Driving
  • Seeing a golf ball in flight
  • Playing tennis
  • Never having to use a magnifying glass again

Your ophthalmologist will describe the risks and benefits of the telescope implant to you, including the risks of surgery.

 

What are the Benefits of the Telescope Implant?

The effectiveness of the telescope implant has been demonstrated in FDA approved studies.

In results from a survey in the FDA clinical trial, patients who received the telescope implant generally reported that they were less dependent on others, less frustrated and worried about their vision, less limited in their ability to see, and better able to visit others and recognise facial expressions/reactions. Overall, the survey findings showed patients had a clinically important improvement in quality of life.1

An FDA study found that nine out of ten patients with the telescope implant improved vision by at least two lines on the eye chart.1

What are the Risks of the Telescope Implant?

As with any medical intervention, potential risks and complications exist with the telescope implant.

The most common risks of the telescope surgery include inflammatory deposits on the device and increased pressure in the eye. Significant adverse events include corneal swelling, corneal transplant, and decrease in visual acuity. There is a risk that having the telescope implantation surgery could worsen your vision rather than improve it. Individual results may vary.

 

What to Expect with the Surgical Procedure

Before the Surgery

Before the surgery, your eye surgeon will take your medical history and check the health of both of your eyes. You should let your surgeon know if you take any medication or have any allergies. Be sure to discuss all your questions with your surgeon before scheduling your surgery. You will need to arrange for transportation to and from your surgery appointment.

Day of Surgery

The procedure is performed on an outpatient basis and generally takes 1-1.5 hours.

The surgery involves several steps:

• Your eye will be numbed at the beginning of the procedure so you will not feel any pain

• Special eye drops will be administered to temporarily enlarge your pupil

• The surgeon will remove your eye’s natural lens

• The telescope implant will be placed in the same position where the natural lens was located

• The surgical incision will be stitched closed

If your surgeon is unable to implant the telescope during surgery, he or she will implant a standard intraocular lens (IOL), as in any procedure for cataract removal.

After the Surgery

After surgery, you will have follow-up visits with your surgeon. You will have to take eye drops for several weeks.

You should expect a gradual improvement in your vision of the treated eye to occur over a period of time, ranging from weeks to months.

If you are found to be a candidate, your surgeon will provide you more detailed information about the procedure and potential risks.

 

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