Keratoconus Through the Eyes of a Patient

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What would it be like to have a degenerative disease of the cornea? Ultimately resulting in the need for a corneal transplant, keratoconus (KC) breaks down and thins the corneal tissue until vision is impacted in major ways.

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  • thank you for this amazing slide show. my husband said it is very informative and although he is understanding of my eye problems it is difficult to explain to him and others how i see and how differing lighting changes it. i have had corneal transplants on both eyes due to advanced keratoconus. my left eye then developed a catarrach which i had operation for but then i developed glaucoma, unfortunately a trab op didn`t work. my right eye was fine until 3 years ago when existing glaucoma deteriorated and could not be controlled by drops i then had an ahmed glaucoma valve inserted which was doing well. last september however my vision suddenly wen cloudy and i was registered blind. my graft had rejected. my vision is still cloudy some times significantly others not so but no consistency and i don`t know what outcome be. i can get another graft though it is risky with no promises but for now i don`t feel ready. bit overwhelming but i cling onto days i can make out flowers etc. so many people don`t get that chance,
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  • Mr Abud,
    First of all, thanks for the great post.
    About the Ferrara Ring It's similar to 'Intacs' but the optical zone is smaller 5mm and the shape of the ring is different. It seems to have better effects (most expressive).
    The rings segments are manufactured by AJL in Spain. Recently AJL and Ferrara Hijos became partners and purchased Intacs but i don't have information on how it can affect their products.
    Feel free to contact us anytime for more information.
    Ferrara Ophthalmics.
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  • Thank you for sharing! Is the technique you are referring to the same as the 'Intacs' procedure?
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  • Dr. Paulo Ferrara developed a ring segments implant that reduces the evolution of the cone in most of the cases, the cornea transplant is avoid and the patient has a great improvement of the vision and gets more tolerant to contact lenses fitting. Visit www.ferrararing.com and read more about this 25 years old technic.
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Keratoconus Through the Eyes of a Patient

  1. 1. by Gary G. Abud, Jr.<br />Pictures courtesy of www.kcvision.org<br />Keratoconus<br />
  2. 2. Keratoconus<br />KC is a progressive and degenerative disease of the cornea<br />Vision is affected in several ways simultaneously, including ghosting, blurring, double vision, and a haloing effect<br />Both genetic factors and mechanical strain have been hypothesized to lead to the disease<br />Course of treatment varies from mild KC (glasses) to moderate KC (special contact lenses) to severe KC (transplantation of cornea, in part or whole)<br />
  3. 3. What Keratoconus (KC) Does to the Cornea<br />
  4. 4. A Normally Seen (20/20) Parking Sign <br />
  5. 5. Parking Sign: Mild Keratoconus<br />
  6. 6. Parking Sign: Advanced Keratoconus<br />
  7. 7. Keratoconus Causes Double Vision<br />
  8. 8. The Eye Chart <br />
  9. 9. Slight Image Distortion with Mild KC<br />
  10. 10. Normal View of Building without Glare<br />
  11. 11. Glare: Mild Keratoconus<br />
  12. 12. Glare: Moderate Keratoconus<br />
  13. 13. Glare: Advanced Keratoconus<br />
  14. 14. KC Causes A Halo Effect Around Night Lights<br />
  15. 15. Keratoconus Makes Night Driving Difficult<br />
  16. 16. Sometimes Night Driving is Impossible<br />
  17. 17. The Moon Seen Normally<br />
  18. 18. Double Vision: Moderate Keratoconus<br />
  19. 19. Double Vision: Advanced Keratoconus<br />
  20. 20. A Clear Image of a Navy Plane<br />
  21. 21. “Ghosting” of Image: Very Mild KC<br />
  22. 22. “Ghosting” of Image: Mild KC<br />
  23. 23. “Ghosting” of Image: Moderate KC<br />
  24. 24. “Ghosting” of Image: Advanced KC<br />
  25. 25. “Ghosting” of Image: Very Advanced KC<br />
  26. 26. Keratoconus Causes All of These Symptoms<br /><ul><li>There is no way to treat symptoms individually.
  27. 27. Glasses can help in early stages
  28. 28. Hard contact lenses must be worn as KC progresses, but then lens fitting is difficult
  29. 29. Eventually, the only alternative is surgery</li></ul>a cornea transplant<br />Glare<br />Ghosting<br />Distortion<br />Halo Effect<br />Double Vision<br />Poor Night Vision<br />
  30. 30. A Cornea Transplant Can Replace the Diseased Keratoconus Cornea, but Recovering Useful Vision Takes Time<br />
  31. 31. Cornea Transplant Vision: 2 Days After<br />
  32. 32. Cornea Transplant Vision: 1 Month After<br />
  33. 33. Cornea Transplant Vision: 2 Months After<br />
  34. 34. Cornea Transplant Vision: 4 Months After<br />
  35. 35. Cornea Transplant Vision: 6 Months After<br />
  36. 36. The Clear Image<br />
  37. 37. Treatment Success<br />The success of any form of treatment depends on the progression of the disease<br />Corneal transplantation, although highly successful, is reserved for the more severe cases<br />The transplanted cornea, once fully healed, can give rise to vastly improved vision compared to pre-transplantation keratoconus vision<br />Many new techniques in transplantation and contact lens fitting make treating keratoconus much more manageable <br />
  38. 38. G. Abud<br />2011<br />Keratoconus<br />

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