Phototherapy method and device
First Claim
1. Phototherapy method, acting on a set of eyes of an individual with a head, each eye comprising a pupil, a retina and a fovea, through light rays of at least one specific wavelength, emitted by at least one light source which is stationary relative to the head of the individual, wherein the method comprises the steps of:
- arranging the light source at the periphery of the field of vision so as to allow the usual activities of the individual; and
using an off-axis diffractive optical element to deflect said light rays by diffraction onto a specific zone of the retina so as to maintain vision.
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Accused Products
Abstract
A phototherapy method, acting on the eyes (5) of an individual through light rays (R) of at least one specific wavelength, emitted by at least one light source (3) stationary relative to his/her head, which consists in: arranging the light source (3) at the periphery of his/her visual field allowing the individual'"'"'s normal activities and in deflecting the light rays (R) onto a specific zone (9) of the retina (11), so as to maintain vision.
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Citations
13 Claims
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1. Phototherapy method, acting on a set of eyes of an individual with a head, each eye comprising a pupil, a retina and a fovea, through light rays of at least one specific wavelength, emitted by at least one light source which is stationary relative to the head of the individual, wherein the method comprises the steps of:
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arranging the light source at the periphery of the field of vision so as to allow the usual activities of the individual; and using an off-axis diffractive optical element to deflect said light rays by diffraction onto a specific zone of the retina so as to maintain vision. - View Dependent Claims (2, 3, 4, 5)
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6. Device for implementing a phototherapy method on a set of eyes of an individual with a head, each eye comprising a pupil, a retina and a fovea, and comprising:
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a support designed to be immobilised on the head of the individual; at least one light source mounted on the support at the periphery of a field of vision of the individual, emitting light rays of at least one specific wavelength and being arranged so that the latter are directed into the eyes, by deflection means, onto a specific zone of the retina; and wherein said deflection means comprises at least one off-axis diffractive optical element for each eye. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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Specification