Management of Severe Blepharoptosis with Neodymium Actuators

Abstract:  My lab has pioneered the use of magnetic actuators for reanimation of paralyzed ocular structures including eyelids and extra-ocular muscles.  Greatest success has been achieved with simple neodymium magnet systems which do not require a power source, produce forces similar to MRI, and are resistant to demagnetization.  This approach lead to the first in human studies for an re-animation prosthetic, the Magnetic Levator Prosthesis.  Alternatives such piezoelectric polymers and electro-magnets are also being explored for their potential to more precisely control forces and drive complex movements.  This talk will describe the approach developed over the past decade from the initial motivation and concept to advanced multiphysics modeling, development of AI based eyelid kinematic analysis, and the use of 3-D printing for mass customization of the treatment.  Other active projects in the Houston lab will be discussed including VR-based therapy for 6th nerve palsy, and prism devices for hemianopia and spatial neglect.