katara k
DESCRIPTION
katarakTRANSCRIPT
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CCATARACTATARACT
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HistoryHistory
CataractCataract (Greek: 1000 BC)(Greek: 1000 BC)
Waterfall or flowing down Waterfall or flowing down
An inspissated humor which had seeped from the An inspissated humor which had seeped from the
brain into the space between the cornea and irisbrain into the space between the cornea and iris
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HistoryHistory
CouchingCouching Push the cataract away from the visual line Push the cataract away from the visual line
(2300BC – 17th century)(2300BC – 17th century)
ECCEECCE Jacques Daviel Jacques Daviel (1747) (1747) : reported 115 surgeries with : reported 115 surgeries with
100 successes 100 successes (1753)(1753)
ICCEICCE Sharp Sharp (1753)(1753) & George de la Faye & George de la Faye (1752)(1752)
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Cataract problemCataract problem
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What is blindness?What is blindness?
WHO classification of visual impairmentWHO classification of visual impairment
C r i t e r i a S n e l l e n NormalNormal 6/6 to 6/186/6 to 6/18
Visual impairmentVisual impairment <6/18 to 6/60<6/18 to 6/60
Severe visual impairmentSevere visual impairment <6/60 to 3/60<6/60 to 3/60
Blind < 3/60
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How many are blind?How many are blind?
Total blindness Total blindness (2000)(2000) 50 million blind individuals50 million blind individuals 110 million visually impaired 110 million visually impaired
Prevalence of blindness :Prevalence of blindness : 0.25% in 0.25% in goodgood economy & health service countries economy & health service countries 0.50% in 0.50% in reasonablereasonable economy & health service countries economy & health service countries 0.75% in 0.75% in poorpoor economy & health service countries economy & health service countries 1%+ in 1%+ in very poorvery poor economy & health service countries economy & health service countries
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Global blindnessGlobal blindness
28 3138
50
70
0
10
20
30
40
50
60
70
80
1975 1984 1990 2000 2020
Mill
ion
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Joseph Mallord Joseph Mallord William TurnerWilliam Turner1775 – 18511775 – 1851
CataractCataract
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Joseph Mallord William TurnerJoseph Mallord William Turner1775 – 18511775 – 1851
Severe cataractSevere cataract
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Claude MonetClaude Monet1840 – 19261840 – 1926
After a cataract operation he was shocked by the blueness of his worldAfter a cataract operation he was shocked by the blueness of his world
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Why are people blind?Why are people blind?
Etiology Etiology (2000)(2000) CataractCataract : 25.0 Millions: 25.0 Millions (50%)(50%) GlaucomaGlaucoma : 8.0 “ : 8.0 “ (16%)(16%) Corneal scar / trachoma Corneal scar / trachoma : 5.0 “: 5.0 “ (10%)(10%) Diabetic retinopathy Diabetic retinopathy : 3.0 “: 3.0 “ ( 6%)( 6%) ARMDARMD : 2.0 “: 2.0 “ ( 4%)( 4%) Refractive errorsRefractive errors : 2.0 “: 2.0 “ ( 4%)( 4%) Vit. A deficiencyVit. A deficiency : 0.5 “: 0.5 “ TraumaTrauma : 1.0 “: 1.0 “ Childhood blindnessChildhood blindness : 1.0 “: 1.0 “ OthersOthers : 1.5 “: 1.5 “
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Distribution?Distribution?
25%
25%
20%
20%
10%
Rest of Asia India Africa China America & Europe
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Cataract surgeryCataract surgery
USA : 2 million annuallyUSA : 2 million annually
Indonesia : 60,000 cases annuallyIndonesia : 60,000 cases annually New cases : 210,000 / yearNew cases : 210,000 / year Back log : 150,000 cases / yearBack log : 150,000 cases / year
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United StatesUnited States IndiaIndiaPopulationPopulation 240 million240 million 800 million800 million
Cataract prevalenceCataract prevalence
52-64 y.o52-64 y.o
65-7465-74
75-8475-84
55
1818
4646
2929
4343
8282
Blindness attributeBlindness attribute 9 %9 % 55%55%
OphthalmologistsOphthalmologists 11,00011,000 3,5003,500
Cataract surgeries / yearCataract surgeries / year 1,500,0001,500,000 1,000,0001,000,000
Chatterjee et al. Br J Ophthalmol 1982; 66
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Dept of Ophthalmology - Dept of Ophthalmology - UIUI
Cataract surgery Jan – Dec 2001Cataract surgery Jan – Dec 2001 ECCEECCE : 73: 73 ECCE IOLECCE IOL : 560: 560 ICCE IOLICCE IOL : 6: 6 PhacoPhaco : 16: 16 Phaco IOLPhaco IOL : 564: 564
Cataract cases = 1219Cataract cases = 1219
Total ALL surgeries 2001 = 1600Total ALL surgeries 2001 = 1600
Ratio : Social / Private = 768 / 832Ratio : Social / Private = 768 / 832
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Normal lensNormal lens
StructureStructure 90% protein 90% protein divided into 2 large classes divided into 2 large classes
Soluble proteins Soluble proteins (80%)(80%) Hydrophilic proteins : Hydrophilic proteins : -, -, -, -, - crystallins - crystallins
Insoluble proteins Insoluble proteins (20%)(20%) Membrane, cytoskeletal proteinsMembrane, cytoskeletal proteins
Transparency :Transparency : Regularity / uniform packing of crystallinsRegularity / uniform packing of crystallins
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Pathogenesis of Pathogenesis of cataractscataracts
Many factors involvedMany factors involved Two fundamental processesTwo fundamental processes
Cortex : imbalance in electrolytes Cortex : imbalance in electrolytes overhydration overhydration of lens of lens liquefaction of the lens fibers liquefaction of the lens fibers
Nucleus : modification of lens protein Nucleus : modification of lens protein protein protein aggregationaggregation
Those changes cause light scattered within Those changes cause light scattered within the lens and reducing transparencythe lens and reducing transparency
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Cortical cataractsCortical cataracts
Involves changes in electrolyte and water Involves changes in electrolyte and water balance : osmotic type of cataractbalance : osmotic type of cataractNormal lensNormal lens Low sodium & high potassium contentLow sodium & high potassium content Proper balance by cation pump in lens Proper balance by cation pump in lens
epitheliumepithelium
Cortical cataract Cortical cataract Membrane permeability to sodium ion Membrane permeability to sodium ion
increase increase High sodium & low potassium, High sodium & low potassium,
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Nuclear cataractsNuclear cataracts
Physical chemical changes of the lens Physical chemical changes of the lens structure protein (crystallin)structure protein (crystallin) OxidationOxidation Ultraviolet-induced oxidationUltraviolet-induced oxidation Proteolysis, glycation, deamidation, Proteolysis, glycation, deamidation,
racemization, transpeptidation, aggregationracemization, transpeptidation, aggregation
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DiagnosisDiagnosis
Visual acuityVisual acuity
IOPIOP
Iris / pupilIris / pupil
CorneaCornea
LensLens
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DiagnosisDiagnosis
Cataract is easy Cataract is easy to diagnose to diagnose when pupil is when pupil is dilateddilated
Intraocular Intraocular pressure (IOP)?pressure (IOP)?
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Sumatera SelatanSumatera Selatan
Prevalensi angka kebutaan sebesar 1,5 Prevalensi angka kebutaan sebesar 1,5 (berdasar survey kesehatan indera 1993-(berdasar survey kesehatan indera 1993-1996) 1996)
Jumlah penduduk Sumatera Selatan Jumlah penduduk Sumatera Selatan 6.486.015 jiwa ( thn. 2003 ) 6.486.015 jiwa ( thn. 2003 )
Angka kebutaan 1,5% : 97290 jiwa Angka kebutaan 1,5% : 97290 jiwa penderita penderita
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Analisis situasiAnalisis situasiEpidemiologiEpidemiologi Prevalensi katarak 0.78% dari jumlah Prevalensi katarak 0.78% dari jumlah
pendudukpenduduk1.7 juta dari 210 juta penduduk1.7 juta dari 210 juta penduduk
Insidens 0.1% per tahunInsidens 0.1% per tahun210,000 kasus baru kebutaan katarak / tahun210,000 kasus baru kebutaan katarak / tahun
Sumatera SelatanSumatera Selatan: 50.590 : 50.590 dari dari 6.486.015 6.486.015 pendudukpenduduk
Insidens 0.1% per tahunInsidens 0.1% per tahun6.486 kasus baru kebutaan katarak / tahun6.486 kasus baru kebutaan katarak / tahun
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Analisis situasiAnalisis situasi
Jumlah dokter mata 2002Jumlah dokter mata 2002 800 dokter ( 25 )800 dokter ( 25 ) 200 resident (25 )200 resident (25 )
Rata-rata operasi katarak 70,000 / thRata-rata operasi katarak 70,000 / th Setara dengan 2 kasus / minggu / Sp.MSetara dengan 2 kasus / minggu / Sp.M
Insidens 210,000 / th ( 6.486 )Insidens 210,000 / th ( 6.486 )
Cataract backlog 140,000 / th ( 4.000)Cataract backlog 140,000 / th ( 4.000)
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Analisis situasiAnalisis situasi
Dimana kita sekarang ?Dimana kita sekarang ?
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Perlu data demografiPerlu data demografi
Jumlah penderita katarak di daerah masing-Jumlah penderita katarak di daerah masing-masingmasing
Proporsi pendudukProporsi penduduk Berapa persen usia > 50 thBerapa persen usia > 50 th
Persentase penderita buta hurufPersentase penderita buta huruf Indikator sosial ekonomiIndikator sosial ekonomi
Berapa jumlah operasi katarak / tahun untuk :Berapa jumlah operasi katarak / tahun untuk : Mengatasi insidensMengatasi insidens Mengatasi prevalensMengatasi prevalens
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Data infrastrukturData infrastruktur
Jumlah rumah sakitJumlah rumah sakit
Jumlah dokter spesialis mataJumlah dokter spesialis mata
Jumlah puskesmasJumlah puskesmas
Jumlah dokter umum, refraksionis, Jumlah dokter umum, refraksionis, perawat mahir mataperawat mahir mata
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TargetTarget
80% dokter mata melakukan operasi80% dokter mata melakukan operasi 12 operasi / minggu12 operasi / minggu
25% kenaikan CSR (cataract surgical rate) 25% kenaikan CSR (cataract surgical rate) / tahun sejak tahun 2005/ tahun sejak tahun 2005 CSR = jumlah operasi / 1 juta pendudukCSR = jumlah operasi / 1 juta penduduk
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Alternatif Alternatif penanggulanganpenanggulangan
Penyuluhan memanfaatkan kaderPenyuluhan memanfaatkan kader
Advokasi kepada PemdaAdvokasi kepada Pemda
Pendekatan kepada pengusahaPendekatan kepada pengusaha
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Thank Thank youyou
One blind person – a tragedy.One blind person – a tragedy.Ten blind persons – a disaster.Ten blind persons – a disaster.
One million blind persons – a One million blind persons – a statistic.statistic.
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ReferencesReferences1.1. Apple DJ, Ram J, et al. Elimination of cataract blindness : a global Apple DJ, Ram J, et al. Elimination of cataract blindness : a global
perspective entering the new millennium. Surv Ophthalmoloy 2000; 45 perspective entering the new millennium. Surv Ophthalmoloy 2000; 45 (supl.1); (supl.1);
2.2. Adelman RA, Brauner BA, et al. Cataract formation after initial Adelman RA, Brauner BA, et al. Cataract formation after initial trabeculectomy in young patients. Ophthalmology 2003: 110;625trabeculectomy in young patients. Ophthalmology 2003: 110;625
3.3. Oyster CW. The human eye structure and function.Massachusetts : Oyster CW. The human eye structure and function.Massachusetts : Sinauer Associate Inc. 1999Sinauer Associate Inc. 1999
4.4. Kwitko ML, Kelman CD. The history of modern cataract surgery. Kwitko ML, Kelman CD. The history of modern cataract surgery. Netherlands : Kugler publications, 1998.Netherlands : Kugler publications, 1998.
5.5. Jaffe NS, Jaffe MS, Jaffe GF. Cataract surgery and its complications. 6th Jaffe NS, Jaffe MS, Jaffe GF. Cataract surgery and its complications. 6th Ed. St. Louis : Mosby, 1997Ed. St. Louis : Mosby, 1997
6.6. Steinert RF, Fine HI, Gimbel HV, Lindstrom RL. Cataract surgery : Steinert RF, Fine HI, Gimbel HV, Lindstrom RL. Cataract surgery : technique, complications & management. Philadelphia : WB Saunder, technique, complications & management. Philadelphia : WB Saunder, 19951995
7.7. Lu LW, Fine IH. Phacoemulsification in difficult and challenging cases. Lu LW, Fine IH. Phacoemulsification in difficult and challenging cases. New York : Thieme, 1999New York : Thieme, 1999