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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.

Publicada em: Saúde e medicina
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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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