Low intensity light therapy for treatment of retinal, macular, and visual pathway disorders
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-019/00
A61N-005/06
A61N-005/067
출원번호
US-0346622
(2006-02-03)
등록번호
US-9192780
(2015-11-24)
발명자
/ 주소
McDaniel, David H.
출원인 / 주소
L'OREAL
대리인 / 주소
Oblon, McClelland, Maier & Neustadt, L.L.P.
인용정보
피인용 횟수 :
9인용 특허 :
171
초록▼
Disclosed is a system and method for treatment of cells and, in particular, visual pathway disorders. More particularly, the disclosed invention is directed toward the photomodulation and/or photorejuvenation of retinal epithelial cells, to treat a variety of vision disorders. The process of treatin
Disclosed is a system and method for treatment of cells and, in particular, visual pathway disorders. More particularly, the disclosed invention is directed toward the photomodulation and/or photorejuvenation of retinal epithelial cells, to treat a variety of vision disorders. The process of treating retinal cells to reduce or reverse the effects of visual pathway disorders employs a narrowband source of multichromatic light applied to the retinal cells to deliver a very low energy fluence.
대표청구항▼
1. A method, comprising: exposing target cells in a visual pathway to one or more sources of narrowband, multichromatic radiation having at least one dominant emissive wavelength between about 300 nm and about 1600 nm; and delivering an energy fluence to the target cells of less than or equal to 4.0
1. A method, comprising: exposing target cells in a visual pathway to one or more sources of narrowband, multichromatic radiation having at least one dominant emissive wavelength between about 300 nm and about 1600 nm; and delivering an energy fluence to the target cells of less than or equal to 4.0 J/cm2, wherein the energy fluence received at the target cells is from about 1 nanojoule/cm2 to about 1 J/cm2. 2. The method of claim 1 comprising a single source of narrowband, multichromatic radiation having a dominant emissive wavelength of from about 400 nm to about 900 nm. 3. The method of claim 1, wherein the one or more sources of narrowband, multichromatic radiation are selected from the group consisting of an a light emitting diode, a laser diode, a dye laser, metal halide lamps, a flashlamp, a mechanically filtered fluorescent light source, a mechanically filtered incandescent or filamentous light source, or combinations thereof. 4. The method of claim 1 comprising two or more sources of narrowband, multichromatic radiation, wherein the target cells are exposed to the two or more sources of narrowband, multichromatic radiation simultaneously or sequentially. 5. The method of claim 4 where a first source of narrowband, multichromatic radiation emits at a dominant emissive wavelength of about 590 nm and a second source of narrowband, multichromatic radiation emits light at a dominant emissive wavelength of about 870 nm. 6. The method of claim 1 or 5 wherein the energy fluence received at the target cells is from about 0.05 J/cm2 to about 0.15 J/cm2. 7. The method of claim 1 or 5 wherein the sources of narrowband, multichromatic radiation are pulsed. 8. The method of claim 7 wherein the sources of narrowband, multichromatic radiation are pulsed on for 250 milliseconds and are off for about 100 milliseconds. 9. The method of claim 8 wherein the sources of narrowband, multichromatic radiation are pulsed from about 1 to about 1000 times. 10. The method of claim 9 wherein the sources of narrowband, multichromatic radiation are pulsed about 100 times. 11. The method of claim 1 or 5 wherein the sources of narrowband, multichromatic radiation emit a continuous wave. 12. The method of claim 11 wherein the source of narrowband, multichromatic radiation emits for about 10 seconds to about 120 seconds. 13. The method of claim 12 wherein the source of narrowband, multichromatic radiation emits for about 25 seconds. 14. A method, comprising: exposing cells undergoing oxidative stress to one or more sources of light having at least one dominant emissive wavelength between about 300 nm and about 1600 nm; delivering an energy fluence to the target cells of less than or equal to 4.0 J/cm2, wherein the energy fluence received at the target cells is from about 1 nanojoule/cm2 to about 1 J/cm2; wherein a decrease in the amount of free radicals released by the target cells undergoing oxidative stress is observed. 15. The method of claim 14 comprising a single source of light having a dominant emissive wavelength of from about 400 nm to about 900 nm. 16. The method of claim 14, wherein the one or more sources of light are selected from the group consisting of an a light emitting diode, a laser, a laser diode, a dye laser, metal halide lamps, a flashlamp, a mechanically filtered fluorescent light source, a mechanically filtered incandescent or filamentous light source, or combinations thereof. 17. The method of claim 14 wherein an energy density of the one or more sources of light is less than 10 mw/cm2. 18. The method of claim 14 wherein an energy density of the one or more sources of light is less than about 4 mw/cm2. 19. A method, comprising: exposing target cells that have been subject to acute or chronic injury or degenerative changes to a one or more sources of light having at least one dominant emissive wavelength between about 300 nm and about 1600 nm; delivering an energy fluence to the target cells of less than 4.0 J/cm2, wherein the energy fluence received at the target cells is from about 1 nanojoule/cm2 to about 1 J/cm2; and wherein a restoration of a function of the target cells prior to being subject to acute or chronic injury or degenerative changes is observed. 20. The method of claim 19 comprising a single source of light having a dominant emissive wavelength of from about 400 nm to about 900 nm. 21. The method of claim 19, wherein the one or more sources of light are selected from the group consisting of an a light emitting diode, a laser, a laser diode, a dye laser, metal halide lamps, a flashlamp, a mechanically filtered fluorescent light source, a mechanically filtered incandescent or filamentous light source, or combinations thereof. 22. The method of claim 19 wherein an energy density of the one or more sources of light is less than 10 mw/cm2. 23. The method of claim 19 wherein an energy density of the one or more sources of light is less than about 4 mw/cm2.
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