1
15
Age-related cataract (senile cataract)
Mechanism: ➢Oxidative Damage ➢Free radicals ➢Molecular chaperone of α-crystallin ➢Apotosis
1
Classfication of senile cataract
1
Classfication of cataract
According to etiology :
1. congenital cataract 2. age-related cataract (senile cataract) 3. complicated cataract 4. traumatic cataract 5. drug-induced cataract 6. after cataract 7. cataract associated with systemic
Acupuncture
2.Intracapsular cataract extraction, ICCE
(Samuel Sharp, 1753, London)
3.Extracapsular cataract extraction, ECCE
(Jacques Daviel, 1748, French)
the back outer layer of the lens
1
17
LOCS (lens opacities classification system)
• LOCS Ⅱ • LOCS Ⅲ
C1-5 NO1-6C1-6 P1-5
1
Emery
• Nuclear hardness • Ⅰ-Ⅴ