Cristalino
Transcript of Cristalino
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CRISTALINOHospital Nacional de ClínicasI° Catedra de oftalmologia
Dra. Ruffa María Valeria
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Anatomía
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Cristalino
Alteraciones de forma
• Lenticono• Lentiglobo• Coloboma• Microfaquia • Microesferofaquia
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Lenticono
Deformación cónica de la superficie del cristalino.
• Anterior: bilateral
• Posterior: unilateral
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Lenticono
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Lenticono
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Lenticono
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Lentiglobo
Deformidad esférica generalizada del cristalino.
• Rara.
• Unilateral.
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Coloboma
Deformación en cuña del cristalino, por alteración en el cierre de la fisura óptica.
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Coloboma
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Coloboma
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Microfaquia- Microesferofaquia
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Microfaquia-
Microesferofaquia
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Alteración de ubicación
• Luxación: completamente desplazado del área pupilar
• Sub-luxación: parcialmente desplazado.
Cristalino
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Sub - luxación
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Sub -luxación
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Asociaciones sistémicas
• Síndrome de Marfan.• Síndrome de weill-marchesani• homocistinuria
Sub - luxación
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Síndrome de Marfan
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Sindrome de Weill Marchesani
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Catarata
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Catarata
Motivo de consulta
• Disminución de la visión• Deslumbramiento • Cambios en la refracción• Leucocoria
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Catarata
• Catarata nuclear
• Catarata cortical
• Catarata subcapsular posterior
• Catarata cortico-nuclear
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Catarata nuclear
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Catarata nuclear
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Catarata nuclear
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Catarata cortical
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Catarata cortical
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Catarata cortical
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Catarata subcapsular posterior
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Catarata subcapsular posterior
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Catarata subcapsular posterior
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Catarata subcapsular posterior
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Catarata cortico-nuclear
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Catarata cortico-nuclear
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Catarata cortico-nuclear
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Catarata cortico-nuclear
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Catarata cortico-nuclear
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Catarata
• Catarata congénita
• Catarata adquiridas• Senil • Metabólica• Farmacológic
a• Traumática
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Catarata congénita
• 3 cada 10.000 nacidos vivos
• Las 2/3 partes son bilaterales
• Causan ambliopía
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Catarata congénita
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Catarata congénita
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Catarata congénita
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Catarata congénita
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Catarata congénita
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Catarata congénita
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Catarata congénita
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Catarata diabética
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Catarata diabética
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Catarata corticoidea
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Catarata corticoidea
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Catarata traumática
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Catarata traumática
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Catarata traumática
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reclinamiento de la catara
1741 Daviel realiza la primera cirugía
extracapsular
1800 Primera intracapsular
1949 Ridley realiza la primera cirugía
de catarata con colocación de LIO
Un poco de historia
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Lentes intraoculares
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Cirugía de catarata
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Cirugía de catarata
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Cirugía de catarata
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complicaciones
• Ruptura capsular
• Luxación o subluxación de LIO
• Endoftalmitis
• Opacidad capsular posterior
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Opacidad capsular posterior