Causes of dislocations or subluxation of the lens are as follows: Subluxations Congenital Marfan’s syndrome subluxation is up and out Homocystinuria subluxation is down and in Battens syndrome in children anterior subluxation of the lens with convulsions Traumatic blunt trauma Subluxation or dislocation Cataract conjunctival dislocation of the lens Surgical Couching Pseudoexfoliation syndrome Hyper mature cataract with the weakness in zonules