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Panophthalmitis MBBS KGMU
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What is panophthalmitis Acute suppurative inflammation & necrosis of the structures of the eyeball, including all the outer coats - sclera & cornea & Tenon’s capsule.
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Causes of panophthalmitis Uncontrolled infection involving all coats of eyeball: Penetrating injuries. Fulminant post-operative endophthalmitis. Bleb infection after trabeculectomy. Buckle or band infection after retinal detachment surgery. Spread of infection from sinuses, adnexa. Ruptured globe due to pre-existing posterior staphyloma/ necrotising scleritis.
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Clinical picture of panophthalmitis Systemic features of toxaemia: Fever, headache, malaise. Ocular movements restricted & painful. Chemosis of conjunctiva, lid oedema. Edges of wound / corneal incision becomes yellowish & necrotic. Corneal infiltrates & sloughing begins. Hypopyon worsens. PL (perception of light) absent / doubtful.
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Panophthalmitis
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Sloughing cornea, chemosis of conjunctiva
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Orbital cellulitis / orbital abscess
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Orbital cellulitis
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Most dreaded complication is Cavernous sinus thrombosis
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Treatment of panophthalmitis Find the cause & any associated debilitating condition. Treat the cause. Medical treatment: Systemic antibiotics. Topical antibiotics – fortified. Cycloplegics. Anti-inflammatory. Surgical treatment: Evisceration / Frill excision.
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If panophthalmitis gets controlled by medical management, no further treatment may be needed. Phthisis bulbi may result.
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When to eviscerate the eyeball. Uncontrolled infection & loss of perception of light despite adequate treatment. Impending progression to orbital cellulitis.
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Enucleation is contra-indicated in panophthalmitis Optic nerve or its sheath should NOT be touched in panophthalmitis. Infection may spread to intra-cranial space.
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Evisceration
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Empty scleral shell after eviscerating intra-ocular contents
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Various designs of implants
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Suturing of sclera & conjunctiva in different layers
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Bio-integrable porous hydroxyapatite implant (with vascularisation) + customised prosthesis
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Implant inside scleral coat after evisceration + customised prosthesis
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Prosthetic eye
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Socket (complete healing after evisceration) Prosthesis will be placed here
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Appearance after evisceration & prosthesis
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Methods of removal of eye 1.Evisceration – only intra-ocular contents are removed. 2.Enucleation: Intact globe is removed. Optic nerve & muscles are cut. 3. Exenteration: All contents of orbit, including the periosteum, are removed.
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Enucleation
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Steps of enucleation
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Exenterated orbit
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Orbital prosthesis after exenteration
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Orbital prosthesis
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Frill excision of sclera During evisceration sclera is found to be necrosed & friable. Suturing might not be possible. Enucleation is contra-indicated.
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