Lens | Ophthalmology Lectures | MBBS 4th Year | Farre Series | Dr. Sudha Ma'am | PW MedEd

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Farre is Back! In this comprehensive Ophthalmology lecture, Dr. Sudha Ma'am covers the Anatomy, Physiology, and Diseases of the Lens for MBBS 4th Year and NEET PG 2026. This session focuses on the rapid revision of Cataract, covering congenital and senile cataracts, their classification, and management. Dr. Sudha simplifies high-yield topics like Senile Cataract stages (Immature, Mature, Hypermature), Diabetic Cataract (Snowflake), and Complicated Cataract. The lecture also details the pre-operative evaluation and surgical techniques essential for university exams and practicals.

Topics Covered:
Anatomy & Physiology of the Lens
Congenital Cataract: Types (Blue Dot, Lamellar, Zonular) and Management
Senile Cataract: Nuclear, Cortical, and Posterior Subcapsular (PSC)
Pathogenesis: Index Myopia, Second Sight, Glare
Complications: Phacomorphic vs Phacolytic Glaucoma
Metabolic Cataract: Diabetic (Snowflake), Galactosemia (Oil Droplet), Wilson's (Sunflower)
Traumatic Cataract: Rosette Cataract
Pre-operative Evaluation: Biometry (Keratometry, A-Scan) & Systemic fitness
Management: Cataract Surgery overview

2. TIMESTAMPS

00:00 - Intro
02:11 - Anatomy of Lens
04:40 - Micro Anatomy (Capsule, Epithelium, Fibers)
08:14 - Biochemical Composition (Crystallins)
10:30 - Congenital Cataract Causes & Types
12:24 - Blue Dot & Lamellar Cataract
17:41 - Management of Congenital Cataract
19:20 - Senile Cataract Pathogenesis
24:14 - Morphological Types (Nuclear, Cortical, PSC)
26:24 - Index Myopia & Second Sight
32:15 - Mature & Hypermature Cataract
33:44 - Phacomorphic Glaucoma
35:14 - Phacolytic Glaucoma (Morgagnian Cataract)
42:36 - Metabolic Cataract (Diabetic, Galactosemia)
47:06 - Complicated & Toxic Cataract
49:33 - Traumatic & Presenile Cataract
54:08 - Pre-operative Evaluation for Cataract Surgery


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