Congenital Ptosis, also known as congenital blepharoptosis, is related to marcus gunn phenomenon and amblyopia. An important gene associated with Congenital Ptosis is MYH10 (Myosin Heavy Chain 10), and among its related pathways/superpathways are G-protein signaling G-Protein alpha-i signaling cascades and COPI-independent Golgi-to-ER retrograde traffic. The drugs Racepinephrine and Lidocaine have been mentioned in the context of this disorder. Affiliated tissues include eye and heart, and related phenotypes are unilateral narrow palpebral fissure and congenital bilateral ptosis