Eyelid Motion Monitor (EMM)

March 15th, 2013

A. Hanuka1, B. Blankrot1, S. Eizner1, L. Karabchevsky1, W. Hilo2, D. Perez1, E. Shoshan1, D. Briscoe2 , L. Schächter1

1 Department of Electric Engineering, Technion-IIT, Haifa 32000, Israel2 Ophthalmology Department, HaEmek Medical Center, Afula, Israel

Background• Opening the eyelid:

Levator muscle - Controlled by Occulomotor nerve Muller muscle - Controlled by the sympathetic system.

• Closing the eyelid: Orbicularis muscle is responsible for closing - controlled by

the facial nerve (cranial nerve VII)

• The functionality of the eyelid is affected by:Damage to one of these muscles or nervesEye disease (Ptosis, Cataract, Glaucoma)Systemic diseases and physiological changesDegenerative neurologic diseases – management for progressingTopical and systemic medications

Patient

Eyelid Movement Sensor

Doctor

Results of analysis PC Application

Conceptual operation

USB cable

Portable system

Samples each eye separately

Evoked motion

Output: position, velocity , frequency

Two operating modes:

Real time - data stored on the computer

Offline - data stored on the device’s memory

User friendly interface

Data analysis and presentation

Multiple tests for a single patient

Simultaneous multiple device support

Device Performance 1

4

3

2