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Cornea

Posterior amorphous corneal dystrophy

2:2812 visual cues2 clinical photos

In this image

Each number marks an object in the image and the finding it stands for.

  1. Postman amoebaPosterior amorphous corneal dystrophy
  2. Posterior sheetDiffuse sheetlike posterior opacity
  3. Pink membraneDescemet membrane; PAS positive
  4. Indented layerMay indent Descemet / endothelium; Fibrillar layer can interrupt Descemet
  5. Young childTypically first decade; Usually nonprogressive
  6. Flat roofFlat cornea; Typically less than 41 D
  7. Thin houseThin cornea
  8. Plus glassesHyperopia
  9. Doorway ridgeProminent Schwalbe line
  10. StrandsFine iris processes; Iridocorneal adhesions
  11. Off-center knobCorectopia
  12. False holePseudopolycoria
  13. ReviewEvery marker, in order

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Clinical image credits

Openly licensed photographs used in this lesson, with what was changed.

  1. Michelle J. Kim, Ricardo F. Frausto, George O. D. Rosenwasser, Tina Bui, Derek J. Le, Edwin M. Stone, Anthony J. Aldave (2014). Posterior Amorphous Corneal Dystrophy Is Associated with a Deletion of Small Leucine-rich Proteoglycans on Chromosome 12.

    CC BY 4.0Article

    Exact rectangular crop [1028, 0, 2066, 693] from 2066 × 1379 publisher figure. Decoded RGB pixels preserved; no enhancement, arrows, retouching or upscaling.

  2. Michelle J. Kim, Ricardo F. Frausto, George O. D. Rosenwasser, Tina Bui, Derek J. Le, Edwin M. Stone, Anthony J. Aldave (2014). Posterior Amorphous Corneal Dystrophy Is Associated with a Deletion of Small Leucine-rich Proteoglycans on Chromosome 12.

    CC BY 4.0Article

    Exact rectangular crop [1028, 693, 2066, 1379] from 2066 × 1379 publisher figure. Decoded RGB pixels preserved; no enhancement, arrows, retouching or upscaling.