Presbyopia is one of the biggest problem that affects more than one billion people worldwide. People between the age of 40 and 50 begin to suffer from Presbyopia which reduces their ability to focus near objects. To prevent people from wearing more than one pair of glasses or to wear and take off a single pair of glasses all the time, the aim of this project was the development of new glasses able to change the lenses focus.\\ In order to achieve this, in collaboration with the Imperial College Ophthalmology Research Group (ICORG), eyes convergence has been examined. This is a simultaneous, horizontal, inward movement of the eyes that occurs when someone is looking at a near object.