An ocular prosthesis which reacts to light

J. Lapointe; A. Harhira; J.-F. Durette; S. Beaulieu; A. Shaat; P. R. Boulos; R. Kashyap

doi:10.1117/12.874078

11 February 2011 An ocular prosthesis which reacts to light

J. Lapointe, A. Harhira, J.-F. Durette, S. Beaulieu, A. Shaat, P. R. Boulos, R. Kashyap

Author Affiliations +

Proceedings Volume 7885, Ophthalmic Technologies XXI; 788512 (2011) https://doi.org/10.1117/12.874078
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

The realism of an ocular prosthesis is limited by the immobility of the pupil. Our method to solve this problem is to use a liquid crystal display (LCD) to control the pupil size as a function of the ambient light. This study demonstrates the first LCD to our knowledge surviving the ocular prosthetic manufacturing steps. The dynamic pupil is controlled by a novel, entirely autonomous and self-powered passive electronic circuit using photodiodes in a high voltage configuration. Future work for a complete prosthesis with a dynamic pupil is discussed. Finally, a standard device for the mass production of ocular prostheses is presented.

Citation Download Citation

J. Lapointe, A. Harhira, J.-F. Durette, S. Beaulieu, A. Shaat, P. R. Boulos, and R. Kashyap "An ocular prosthesis which reacts to light", Proc. SPIE 7885, Ophthalmic Technologies XXI, 788512 (11 February 2011); https://doi.org/10.1117/12.874078

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