Cataract History 05

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Dear SIr, I am an ophthalmologist working in govt sector.The presentation you have prepared is really superb. I had prepared earlier a similar presentation for a lecture among doctors of our hospital long time back. But mine was defficient in a number of aspects from that of yours.as regards the history anfd projection to the future of it. will you please allow me to download the same for showing it to my colleugues of our hospital for education only ? I express that I will not use it for any commercial purpose.Thnak u very much.

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dear janella, i am martin, a resident of ophthalmology department in indonesia, can you give me permission to download this good presentation. thank you very very much!

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Dear Janella, I am an ophthalmologist and I am preparing a lecture for a local symposium. Can you give permission for downloading this good presentation. Thank you very much...

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The Long Way to XXI Century Cataract Surgery: The Long Way to XXI Century Cataract Surgery Rafael I. Barraquer MD, PhD Director, “Joaquín Barraquer” Chair for Eye Research - Barraquer Institute Autonomous University of Barcelona AOI – Firenze 2005


Can we learn about the future from the past?: Can we learn about the future from the past?


Major Periods: Major Periods ?


3000 years of Couching: 3000 years of Couching India: Sushruta Traditional (legendary?) Mentioned in Mahabharatha (c 1000 BC) Sushruta samhita manuscript by Nagarjuna (c 4-2nd cent. BC) Historic Sushruta (Gupta period, c 2-4th cent. AD) Influence on: Greco-Roman? Celsus’ De Medicina, vol.VII (c28-48 AD) Arab translations: Kitab-I-Susrurd (8th cent.) Arab to Latin  Medieval Europe


History of Tobit (Tb. 11:12-14) A Biblic account of a (self)-couching? : History of Tobit (Tb. 11:12-14) A Biblic account of a (self)-couching?


Modern Age Couching: Modern Age Couching Ophthalmodoyleia (Bartisch, 1583) XIXth century, today?


Cataract extraction (Extracapsular = partial): Cataract extraction (Extracapsular = partial) J. Daviel (1745-48) Cataract extraction  a complication of lens couching !! (AC dislocation) Precursor: Ammar ibn Ali al-Mawsili (Mosul   Egypt c1000 AD)  Couching surgeon  Metallic hollow needle (Al-Miqdah) cataract aspiration !!


in toto Extraction (intracapsular): in toto Extraction (intracapsular) Samuel Sharp, London 1753 The Ideal Instrument ? A thumb (Colonel Smith, India c1870) Capsular forceps (H. Arruga, etc.) The erysiphake (Phacoerysis) (Ignacio Barraquer, 1917)


1917 Phacoerysis by Ignacio Barraquer: 1917 Phacoerysis by Ignacio Barraquer


XXth Century: Microsurgery: XXth Century: Microsurgery Anesthesia topical (cocaine): Koller (1884) retrobulbar: Elschnig (1928) Sutures silk: Williams (1865) conjunctival: J.A. Barraquer (1880) corneoscleral: Kalt (1894) Microscopes Zeiss (1955) J. & J. Barraquer (1964-66) Instruments: “micro-” speculum, forceps, needle holders, scissors, etc. Mechanization: I/A machines, U/S (Kelman 1968), Lasers, etc. Fluid instruments: Ach, a-Ch, visco-elastics, gases, silicon oil, PFCL


Enzymatic Zonulolysis 1958 (Joaquín Barraquer): Enzymatic Zonulolysis 1958 (Joaquín Barraquer)


The Era of Intraocular lenses: The Era of Intraocular lenses Pioneers Chevalier de Tadini (1764-65, acc to the memoirs of G. Casanova) Johannes Virgilius Casamaata (1795), glass lens  fell into vitreous Harold Ridley (1949): PC IOL (PMMA lens-shaped lens)


Early Intraocular Lenses (1950s): Early Intraocular Lenses (1950s) Rigid AC IOLs: Baron (1952) Strampelli (1953) Flexible AC IOLs Danheim (1956): closed loops J. Barraquer (1958): open loops (J-Loops)


Intraocular Lenses (‘60s-70s): Intraocular Lenses (‘60s-70s) Pupil support IOLs : Epstein (“propeller” IOL) 60-70’s: Binkhorst, Worst “New” AC IOLs Choyce Kelman Leiske, Azar Posterior chamber IOLs (back to extracapsular) Shearing (1976) J-Loop Sinskey (modif. "J") Simcoe (C-loop) Kratz (1980): angulated lens (avoid capture)


More Intraocular Lenses…: More Intraocular Lenses… Bag design IOLs: Anis, Galand, Charleux, etc. (’80s) Foldable IOLs silicone: (Mazzoco "taco“, etc.) acrylic hydrophilic & hidrophobic, etc. Bi- / Multifocal IOLs… Accommodative IOLs... Phaco-Ersatz…


Present & Future: Present & Future Surgical Tech. Lens design U/S Phaco Laser Phaco MICS Aqualase Manual Phaco ? ?


Is Phaco-Ersatz feasible?: Haefliger et al. Phaco-Ersatz: Cataract surgery designed to preserve accommodation. Graefes Arch Clin Exp Ophthalmol 1986, 224:165-173 Parel et al. Accommodation of an endocapsular silicone lens (Phaco-Ersatz) in the old rhesus monkey. Refract Corneal Surg 1994, 10:550-555. Is Phaco-Ersatz feasible?


Lens Refilling: Challenges: Lens Refilling: Challenges Surgical technique Materials PCO prevention Physiology of accommodation ( quantity to inject)


The Global Challenges: The Global Challenges


XXIth Century Cataract Surgery will have to be…: XXIth Century Cataract Surgery will have to be… Highly efficient and safe Universally available Low cost, simple instrumentation Able to restore the full functionality of the lens  truly continuous dynamic accommodation


Slide21: Thank You