Background Eyelid motion analysis can provide important veloped for monitoring and analyzing eyelid motion charac- information about ophthalmic, neurologic, and systemic dis- teristics, including the inter-blink interval, eye closing/ eases. Routine assessment of eyelid function is currently opening duration and entire blink duration. The device should based mainly on clinical examination estimating Levator allow early objective non- invasive diagnosis and follow-up of Function and static palpebral fissure measurements. Most disease progression. It could be of great potential value in clinical tools developed to date are cumbersome expensive many ophthalmic, neurologic, and systemic diseases. and difficult to operate. Currently there is no widely available, . . . affordable device providing user friendly precision based Keywords Eyelid motion Blink detection Monitor device evaluation of eyelid kinematics. Our goal is to develop a novel Magnetic sensor device for evaluation of eyelid kinematics providing rapid defined diagnosis of diseases involving eyelid movement. Methods A real-time prototype eyelid motion monitoring sys- Introduction tem was designed based on magnetic field sensors detecting movement of a tiny magnet located on the upper eyelid. Ophthalmologists, neurologists, and general physicians exam- Motion is recorded and analyzed using specially developed ine the eyelids and their movements to assess and
Graefe's Archive for Clinical and Experimental Ophthalmology – Springer Journals
Published: Jun 16, 2017
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