losing transparency of the lens of the
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Clouding of crystalline lens of eye Losing transparency of the lens of the eye Limits light entering in to the eye Gradual vision loss leads to complete blindness Cornea Posterior A. chamber Nuclear Lens Anterior Retina

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  1.  Clouding of crystalline lens of eye  Losing transparency of the lens of the eye  Limits light entering in to the eye  Gradual vision loss leads to complete blindness

  2. Cornea Posterior A. chamber Nuclear Lens Anterior Retina Optic nerve

  3.  If Cataract is mature- white pupil in the room light  Flash a torch- see white reflection  Use an Ophthalmoscope at a distance- see disturbed red reflex  Examine with a slit lamp  Relate findings to person’s vision

  4.  Simple, quick procedure takes less than 10 minutes  Extraction of lens with cataract  Implantation of an artificial lens (IOL) • Conventional ECCE • Phaco-emulsification • Small incision cataract surgery

  5.  General fitness, willingness, awareness  Exclusion of other disease  Diabetes- urine ward test, FBS  Hypertension- BP  Ischaemic heart disease- ECG  Cleanliness, clothing  Biometry- A scan, Keratometry  Pre-op medication  Systemic- anxiolytic  Topical- antibiotic, mydriatic  Assessment of cataract- type, maturation  To determine technique of surgery

  6. Extracapsular cataract extraction 1. Anterior 2. Completion of capsulotomy incision 3. Expression of 4. Cortical cleanup nucleus 5. Care not to aspirate posterior capsule 6. Polishing of posterior accidentally capsule, if appropriate

  7. Extracapsular cataract extraction ( cont. ) 8. Grasping of IOL and 7. Injection of coating with viscoelastic viscoelastic substance substance 9. Insertion of inferior 10. Insertion of superior haptic and optic haptic 11. Placement of haptics into capsular bag and not into ciliary 12. Dialling of IOL into sulcus horizontal position

  8. Phacoemulsification 1. Capsulorrhexis 2. Hydrodissection 3. Sculpting of nucleus 4. Cracking of nucleus 6. Cortical cleanup and 5. Emulsification of insertion of IOL each quadrant

  9.  Patient can be sent or kept over night  Examined on the following day  Needs topical steroid / antibiotic cover  Follow up in one week / one month  Suture removal if necessary  Refraction  Provision of spectacles  Discharge

  10.  Simple procedure  Quick  Less complications  Easy post-op care  Excellent visual outcome  No long term follow up

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