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SPS Y2-2013. What is different. 3 Weeks No Assignments! Combined assessment [MFS]. Schedule. 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).
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What is different • 3 Weeks • No Assignments! • Combined assessment [MFS]
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)
Sclera* Pupil Iris Limbus Cornea *Covered by a transparent vascular ‘skin’ -Conjunctiva
3 Skins/ Coverings • 3 Walls/ Layers/ Coats/ Tunic
THE SKINS/ COVERINGS • Conjunctiva • Tenon’s Capsule • Episclera
Conjunctiva Bulbar Palpebral
Conjunctiva Bulbar; Forniceal; Palpebral
Conjunctiva Forniceal Bulbar Palpebral
Conjunctiva Bulbar Palpebral [hidden] Forniceal [hidden]
Conjunctiva • Transparent • Very vascular • Protective • Tear Film • Vascularity
Conjunctiva Which part? Palpebral Whats wrong? Red, Papillae Allergic Conjunctivitis
Conjunctiva Which part? Bulbar Whats wrong? ‘Pink’ Viral Conjunctivitis
Tenon’s Capsule • ‘Barrier’ Protection
Episcleritis • Inflammation of Episclera
Episcleritis CONJUNCTIVITIS??
Episcleritis Vs. Conjunctivitis • Blanching test…
Episclera • Transparent • Vascular • Nutritive
Protection Protection Nutrition Crucial Crucial Nutrition
WALLS/ COATS/ LAYERS Protection Nutrition Crucial
CHAMBERS & SEGMENTS Posterior Chamber AC ANGLE Anterior Segment Posterior Segment Anterior Chamber
Fibrous Tunic/ Layer ‘Sclera’ & ‘Cornea’
Sclera 1/6 5/6
Sclera Perforation
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’
Cornea –Epithelial Injury Metallic foreign body
Cornea –Stromal Injury Opacity (Inflammation)