Keratoconus Cornea Disorder Treatment

We cannot reverse keratoconus without a corneal transplant, but we can stop it in its tracks with crosslinking

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An introduction to keratoconus

  • Keratoconus is a degenerative disorder of the eye. Structural changes within the cornea cause it to thin and change to a more conical shape than its normal gradual curve.

  • Keratoconus is an extreme form of astigmatism. It can cause substantial distortion of vision, with multiple images, streaking and sensitivity to light.

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Keratoconus symptoms and lifestyle impacts

Depending on ethnicity, keratoconus affects up to one in 450 people. It is more common in non-Caucasians.

We can usually diagnose keratoconus in young people at puberty, in their late teens or early twenties. Your optometrist can detect early stages of keratoconus. In the early stages, keratoconus will not affect your vision.

Keratoconus does not cause blindness. If you don’t address keratoconus, however, the cornea can change further in shape. It can become thinner. In advanced stages, these changes can cause a loss of transparency.

The loss of transparency of the cornea can impair the ability of the eye to focus correctly. Even in advanced keratoconus, however, we may be able to correct your vision with contact lenses.

Causes of keratoconus

The exact cause of keratoconus is unknown. Genetics and environmental factors may play a role.

Ophthalmologists do not consider it an inherited disease. Rarely, in some families, keratoconus can affect more than one family member.

The image below shows the differences between a normal eye and a keratoconic eye.


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It’s difficult to find helpful and straight forward information online about keratoconus treatment. Our goal is to myth bust and help you find the right treatment for your keratoconus (even if it’s not at our clinic).

Keratoconus examination in Toronto

Each time you attend our clinic for keratoconus, we will perform many of the same tests, including:

  1. Vision (reading chart)
  2. Refraction (glasses test)
  3. Corneal scans

We will compare these results with those from your previous visits. If any of the results show deterioration, we will discuss with you whether CXL is required (see below).

Keratoconus treatment in Toronto

Until recently, the only cure for keratoconus was a corneal transplant. Clearview Institute is the first clinic in Canada to introduce Laser Light Transepithelial Crosslinking.

Laser Light Transepithelial Crosslinking is an innovative and much-improved version of Corneal Collagen Crosslinking (CXL), the traditional treatment for those with keratoconus and ectasia, as well as other degenerative eye disorders.

Learn about Laser Light Transepithelial Crosslinking

In the early stages, we can use glasses or soft contact lenses to correct your vision. As the cornea becomes thinner and steeper, we’ll likely need to use soft or rigid gas permeable (RGP) contact lenses to correct vision more adequately.

In very advanced cases, where contact lenses fail to improve vision, you may need a corneal transplant. A corneal transplant is rare, however, since ophthalmologists introduced corneal crosslinking (CXL).

CXL is a relatively new treatment that can stop the progression of keratoconus. CXL is effective in over 94% of patients with a single 30-minute outpatient procedure.

CXL is only suitable where the corneal shape is continuing to deteriorate. We might detect continued deterioration at your follow-up appointments.

Your keratoconus does not require an urgent referral since changes caused by the condition usually take several months or even years to develop. Because of this, we monitor people with keratoconus and invite them back for repeat assessments.

Videos and more information about Clearview Institute and crosslinking

Watch a video below and discover more about us and how we can help

ReLEx SMILE Vision Technology: Who is a Candidate for the 3rd Great Advancement in Laser Vision Correction?

ReLEx SMILE Vision Technology is the 3rd great advancement in laser vision correction, and it is available at Clearview Vision Institute. If you have been disappointed in the past and told you are not a candidate for LASIK, you now may have another alternative to improve your vision. So who is a good candidate for this new technology and why would you consider it?

Maintaining Healthy Eyes as We Age

Maintaining healthy eyes as we age should be a priority, but most of us never think about getting older. Lots of us think we will never age, but “old man time” creeps up on us without making a sound. Suddenly you or your parents have become part of the senior generation. As you look in the mirror, well, you see that older version of yourself. When did THAT happen?

Cycle For Sight 2016

On Saturday, June 18, 2016, over 300 cyclists will embark on the 8th Annual Cycle for Sight fundraising ride in support of vision research funded by the Foundation Fighting Blindness ( Cyclists will be cycling either from Toronto or Alliston to the Craigleith Ski club by Blue Mountian (Collingwood area). Cycle for Sight ( events will also be taking place in Ottawa, Calgary and Vancouver (West Langley). At The Clearview Institute, sight saving research is very dear to our hearts. The Clearview Institute is proud to once again be a local sponsor for the Cycle for Sight Toronto event.

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Toronto Laser Eye Surgery Clinic

We help Torontonians from 20 to 80+ get freedom from contacts and glasses so they can squeeze the goodness out of every second

“To all Clearview Staff, thank you for making me feel so comfortable during my pre-op and LASIK procedure. I was very nervous and you all were so kind. I appreciate all your expertise and Tender Love and Care.”


“Dr. Kranemann is an EXCELLENT Ophthalmologist!! He helped my father’s vision with amazing results and we are truly grateful. Dr. Kranemann is a perfectionist and a remarkable professional who cares about the patient. He works very hard to help everyone, and his staff is wonderful and very kind. Dr. Kranemann is focused on the patient’s vision with extreme care and efficiency at every appointment.”


“Thank you so very much for the expert care before, during, and after my SMILE procedure. State of the art facility, world renowned surgeon, seasoned staff…I am thrilled.”


“Had the new vision correction procedure SMILE. WOW is all I can say. Life without glasses is amazing. Great surgeon and medical staff. Will refer his expertise on to family and friends.”


“I found Dr. Kranemann very kind, I was very nervous and he went out of his way to make sure that I understood everything he was going to do. His staff are very nice and helpful. He is a great doctor, I’m glad I have him.”


“Dear Dr. Kranemann, Many thanks in the nice, smooth and trouble free cataract surgery you carried out on both my eyes at Clearview Institute. I would like also to extend my thanks to all the staff of clearview. They are efficient, kind hearted and very helpful. I wish all of you the continued success you well deserved.”


“Dr. Kranemann is exceptionally intelligent and experienced. He is passionate about achieving perfect results for his patients, and proved it by correcting my father’s vision perfectly. We are very happy and grateful and highly recommend Dr. Kranemann.”


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Accreditations and Memberships

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Stop keratoconus in its tracks

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