logging in or signing up Cataract History 05 Janelle Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 2204 Category: Education License: All Rights Reserved Like it (4) Dislike it (0) Added: May 02, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: albertomarescotti (10 month(s) ago) Dear Sir I wish I could present your ppt during our grand rounds in Lucca for nurses and physicians: I found your job perfect for our personal knowlledge. Many thanks in advance alberto marescotti md Saving..... Post Reply Close Saving..... Edit Comment Close By: neilfmartinmd (14 month(s) ago) Dear Sir, I am an ophthalmologist preparing a lecture to be given to local doctors. I would like permission to download your excellent powerpoint to use some slides to supplement my own lecture. Full credit will be given. This wlll not be used for commercial purposes. Thank, Saving..... Post Reply Close Saving..... Edit Comment Close By: sushilkar (28 month(s) ago) 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. Saving..... Post Reply Close Saving..... Edit Comment Close By: blukhutug (39 month(s) ago) 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! Saving..... Post Reply Close Saving..... Edit Comment Close By: ilkerozec (40 month(s) ago) 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... Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript 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 2005Can 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 BarraquerXXth 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, PFCLEnzymatic 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 ChallengesXXIth 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 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Cataract History 05 Janelle Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 2204 Category: Education License: All Rights Reserved Like it (4) Dislike it (0) Added: May 02, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: albertomarescotti (10 month(s) ago) Dear Sir I wish I could present your ppt during our grand rounds in Lucca for nurses and physicians: I found your job perfect for our personal knowlledge. Many thanks in advance alberto marescotti md Saving..... Post Reply Close Saving..... Edit Comment Close By: neilfmartinmd (14 month(s) ago) Dear Sir, I am an ophthalmologist preparing a lecture to be given to local doctors. I would like permission to download your excellent powerpoint to use some slides to supplement my own lecture. Full credit will be given. This wlll not be used for commercial purposes. Thank, Saving..... Post Reply Close Saving..... Edit Comment Close By: sushilkar (28 month(s) ago) 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. Saving..... Post Reply Close Saving..... Edit Comment Close By: blukhutug (39 month(s) ago) 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! Saving..... Post Reply Close Saving..... Edit Comment Close By: ilkerozec (40 month(s) ago) 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... Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript 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 2005Can 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 BarraquerXXth 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, PFCLEnzymatic 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 ChallengesXXIth 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