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Understanding Eye Anatomy: Layers, Functions, and Conditions

This interactive session provides insights into the anatomy of the eye, focusing on various layers, their functions, and common conditions. Discover the significance of the sclera, pupil, iris, cornea, and more. Gain a clinician's perspective on eye health. Dive deep into topics like conjunctiva, Tenon's capsule, and episclera. Learn to differentiate between episcleritis and conjunctivitis, and explore the crucial roles of the cornea's epithelium, stroma, and endothelium. Join us for a comprehensive exploration of eye structure and health. Email ali.tayyab@gmail.com for details. Content will be decided, 10ish C2, on all working days. Don't miss this opportunity to understand the nitty-gritty of the eye anatomy!

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Understanding Eye Anatomy: Layers, Functions, and Conditions

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  1. SPS Y2-2013

  2. What is different • 3 Weeks • No Assignments! • Combined assessment [MFS]

  3. Schedule

  4. Nitty Gritty • SDL • Can be converted to an interactive discussion • Email: (ali.tayyab@gmail.com) • Content MUST be decided! • 10ish C2, all working days (almost)

  5. THE EYE BALL …A clinicians Perspective

  6. OBJECTIVES

  7. Sclera* Pupil Iris Limbus Cornea *Covered by a transparent vascular ‘skin’ -Conjunctiva

  8. 3 Skins/ Coverings • 3 Walls/ Layers/ Coats/ Tunic

  9. THE SKINS/ COVERINGS • Conjunctiva • Tenon’s Capsule • Episclera

  10. SKINS/ COVERINGS

  11. CONJUNCTIVA

  12. Conjunctiva Bulbar Palpebral

  13. Conjunctiva Bulbar; Forniceal; Palpebral

  14. Conjunctiva Forniceal Bulbar Palpebral

  15. Conjunctiva Bulbar Palpebral [hidden] Forniceal [hidden]

  16. Conjunctiva • Transparent • Very vascular • Protective • Tear Film • Vascularity

  17. Conjunctiva Which part? Palpebral Whats wrong? Red, Papillae Allergic Conjunctivitis

  18. Conjunctiva Which part? Bulbar Whats wrong? ‘Pink’ Viral Conjunctivitis

  19. TENON’S CAPSULE

  20. Tenon’s Capsule

  21. Tenon’s Capsule

  22. Tenon’s Capsule • ‘Barrier’ Protection

  23. EPISCLERA

  24. Episclera

  25. Episclera

  26. Episcleritis • Inflammation of Episclera

  27. Episcleritis

  28. Episcleritis CONJUNCTIVITIS??

  29. Episcleritis Vs. Conjunctivitis • Blanching test…

  30. Episclera • Transparent • Vascular • Nutritive

  31. SKINS/ COVERINGS

  32. THE WALLS/ COATS/ LAYERS

  33. Protection Protection Nutrition Crucial Crucial Nutrition

  34. WALLS/ COATS/ LAYERS Protection Nutrition Crucial

  35. WALLS/ COATS/ LAYERS

  36. CHAMBERS & SEGMENTS Posterior Chamber AC ANGLE Anterior Segment Posterior Segment Anterior Chamber

  37. Fibrous Tunic/ Layer ‘Sclera’ & ‘Cornea’

  38. Sclera 1/6 5/6

  39. Sclera

  40. Sclera

  41. Sclera Perforation

  42. Cornea

  43. 1. EPITHELIUM Barrier Richly innervated Cornea 3. STROMA: Heals by scarring Epithelium Bowman’s Stroma Basement membrane Endothelium 5. ENDOTHELIUM: Na-K Pump Keeps Cornea ‘Dry’

  44. Cornea

  45. Cornea –Epithelial Injury Metallic foreign body

  46. Cornea –Stromal Injury Opacity (Inflammation)

  47. Cornea –Endothelial Injury

  48. Cornea

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