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Optical Coherence Tomography of cat's cornea - Evaluation de la cornée du chat par Tomographie en Cohérence Optique
This document discusses the use of optical coherence tomography (OCT) to evaluate normal and pathological features of the feline cornea. It presents OCT images of the normal cornea layers including epithelium, stroma, and endothelium/Descemet's membrane. Pathological features imaged include corneal ulcerations, microbial keratitis, corneal sequestrum, and corneal foreign bodies. Corneal thickness alterations from edema, bullous keratopathy, and conjunctival grafts are also shown. The discussion evaluates the material and methods used and analyzes the results, concluding that OCT is possible and useful for feline corneal evaluation.
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Optical Coherence Tomography of cat's cornea - Evaluation de la cornée du chat par Tomographie en Cohérence Optique
- 1. Optical Coherence Tomography ofFeline Cornea : normal and pathological features Dr Frank FAMOSE DVM, CES Ophtalmologie No conflict of interest ECVO Trieste May 25th 2012 frankfamose@gmail.com
- 2. Evaluation of thefeline cornea : the present cornea Resolution approx. 120 µm Resolution approx.100 µm US 20 MHz
- 3. Evaluation of thehuman cornea: the future ?
- 4. Is it possibleto use OCT in feline cornea evaluation ? From Doors & al. (J. Cataract From Pang & al. (The open Refract. Surg. 2010) ophthalmology Journal 2011)
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- 7. Results : normalcornea Epithelium Stroma Endothelium + Descemet mb
- 8. Corneal ulcerations Superficial ulceration 320 µm Deep chronic ulceration
- 9. Microbial keratitis 80 µm 36 µm Microbial keratitis
- 10. Feline corneal sequestrum 114 µm 125 µm 115 µm ? ? ?
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- 12. Corneal cellular infiltrations Florida Eosinophilic Keratopathy Keratitis
- 13. Corneal thickness alterations Cornealedema Bullous keratopathy
- 14. Vetbiosis sheets Corneal oedema 324 µm Vetbiosis Graft D0 Conjunctiva 150 µm Corneal Stroma 320 µm Conjunctival Graft D 30sans vetbiosi (légender les images Keratectomie avec et Greffe conjonctivale post-op et après retrait (2 images à légender)
- 15. Endothelium Cornea Retrokeratic precipitates Tyndall effect
- 16. Discussion : materialand methods
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- 18. Is it possibleto use OCT in feline corneal evaluation ? frankfamose@gmail.com