Z plasty for trichiasis

Videos for medical students, undergraduates . model for Lid surgeries. Steps: -The 1st incision in the gray line opposite the maldirected lashes, deepened to separate the lid into the anterior and posterior lamella - The 2nd incision in the skin of the lid , parallel to the first incision and cuts through the skin and muscle - The 3rd incision connects the two incisions, completing the "Z". - Now there are two triangles, each still attached at its base to the surrounding tissues - The two triangles are inter-positioned, so that the triangle that carries the maldirected lashes is placed away from the eye ball.