LENS AND CATARACT PLAYLIST EMBRYOLOGY - DEVELOPMENT OF LENS ANATOMY OF LENS AGE RELATED (SENILE) CATARACT UNILATERAL CONGENITAL CATARACT CAUSES BILATERAL (METABOLIC) CONGENITAL CATARACT CAUSES SYNDROMIC CATARACTS OCULAR ANESTHESIA - PERIBULBAR / RETROBULBAR / SUBTENON PERIBULBAR BLOCK DOSAGE COMPLICATIONS OF OCULAR ANESTHESIA