Oftalmología > Ojo Seco > Flashcards

Ojo Seco Flashcards

(24 cards)

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1
Q

Definición

A

Perdida de la homeostasis de PL con sintomas oculares e hiperosmolaridad de la superficie y anomalias neurosensioriales

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2
Q

Fisiopatologia OSDA

A

Deficit de acuoso

Sjogren
Envejecimiento / Andropausia
Reflejo del bloqueo

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3
Q

Fisiopatologia OSE

A

Ojo seco por evaporacion

Disfuncion GM
Deficit VitA
Lentes de contacto y ambiente
Blefaritis Ant

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4
Q

Que provoca la hiperosmolaridad de la lagrima

A

Activa factores proinflamatorios y proapoptoticos

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5
Q

Activacion de factores proinflamatorios y proapoptoticos

A

SCE
Ardor
Lagrimeo reflejo
Prurito

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6
Q

Funciones PL

A

1 dioptria
Arraste
Nutricion y actibacteriana

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7
Q

Epidemiologia

A

Basada en sintomas

Mas en mujeres

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8
Q

FR no modificables

A

Edad >50 años
Femenino y Asiaticos
DGM Sjogren

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9
Q

FR modificables

A

Deficiencia de androgenos
Uso de pantallas
LC
Trasplantes

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10
Q

EA cirugia refractiva

A

Ojo rojo acuodeficiente

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11
Q

Abordaje Dx

A

Tear breakup time <10s
Osmolaridad >307 o dif >8
Tinciones

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12
Q

Test clasificacion subtipos

A

Evaporativo: DGM, lipidos anormales

Deficiencia acuosa: bajo volumen

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13
Q

Tiempo de ruptura normal

A

> 7 seg

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14
Q

Tinciones

A

Fluoresceina

Tiñe PL y se une a defectos epiteliales

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15
Q

Metodos invasivos volumen lagrimam

A

Schirmer : <6mm

Fenol rojo en 15 seg

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16
Q

Tecnica permite ver morfologia de GM

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A

Meiobografia

Evalua cantidad de glandulas y morfologia con luz infrarroja

17
Q

Niveles de gravedad

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A

1: ocasionales
2: Alt visuales fluctuantes
3- Mucha alt visual, filamentos
4. Ulceras

18
Q

Medidas generales de tc

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A

Mejorar calidad de vida visual

LDC, aparatos, tabaquismo y sueño

19
Q

2da linea de tx

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A

Vs osmolaridad

L carnitina / Trehalosa

Suplementos lipidicos

20
Q

Primera linea de tx

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A

Lagrimas artificiales 4 veces al dia

21
Q

Tx que aumenta permanencia acuosa

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A

Lifitegraste 5%

Inflamacion
Prednisona y Ciclosporina A

22
Q

Tx Qx

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A

Oclusion de puntos lagrimales
Tarsorrafia

23
Q

Limbo

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A

Zona de transicion
Cornea, conjuntiva y esclera

24
Q

Empalizadas de Vogt

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A

Aporte sanguineo al epitelio

Oftalmología
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