0:50 Definition
1:45 Etiology
3:10 Preventable Blindness
4:13 WHO Classification
6:30 Wald's Visual Cycle
Carotenoid - Vit A -- retinol -- retinol palmitate- retinal - 11cis retinal -- binds to rhodopsin and iodopsin in cones- all trans retinal due to light-- back to 11 cis retinal
8:20 XN Night blindness, Nyctalopia
10:00 X1A Conjunctival Xerosis
11:55 X1B Bitot Spots
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13:57 Delayed Dark Adaptation
14:50 Night blindness / Nyctalopia other CAUSES
15:45 Vit A Sources Natural
16:00 excess Vitamin A - ocular effects
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16:45 X2 Corneal Xerosis
17:50 X3A Keratomalacia
18:50 X3B Keratomalacia
20:10 XS Corneal Scar
21:22 XF Xerophthalmic fundus
22:30 Treatment
29:25 Prophylaxis
33:50 REVISION
Treatment Why Vitamin A deficient causes Nyctalopia KeratoMalacia
28 авг 2024