A light irradiation device includes a first illumination optical system to emit first light that causes a chemical reaction on an object; a second illumination optical system to emit second light having a wavelength different from a wavelength of the first light; a light emitter to emit the first light from the first illumination optical system and the second light from the second illumination optical system to the object in space shared by the first light and the second light, to irradiate an irradiation area on the object; an image-capturing optical system to capture an image of the space including the object; and circuitry configured to: detect a state of the irradiation area based on the image captured by the image-capturing optical system; and control at least one of the first light and the second light based on the detected state.

An optical therapeutic device comprising a front body portion, a light source provided in said front body portion, a spherical, translucent quartz lens provided in front of said light source, a bezel provided on said front body portion and configured to hold said spherical, translucent quartz lens such that a portion of the quartz lens protrudes outside the rim of the bezel. Also described is a method of using the device to apply light stimulation to acupuncture points of a human or animal body and a method for manufacturing the device.

The present disclosure relates to a vaginal treatment device using LEDs, high-frequency waves, and EMS, the vaginal treatment device including: a main body part configured to be inserted into a vagina and having one or more LED irradiation units configured to irradiate an interior of the vagina with light, and electrode units configured to transfer radio frequency (RF) energy or electro muscular stimulation (EMS) energy into the vagina; a handle part embedded with a battery and having a power source member connected to one end of the main body part and configured to control transmission and reception to/from the LED irradiation units or the electrode units; and a housing part electrically connected to the handle part and configured to charge the battery.

Light stimulation systems and methods for elevating testosterone levels in male patients.

Systems and methods for transcranial light therapy address the deficiencies inherent in previous light therapy devices. Improved adjustability of the location, placement, and directionality of the applied light, thereby improving efficiency of transcranial light delivery and facilitating customization of fitment of the light therapy devices to users of differently sized and differently shaped human heads and hair is provided. Improved mechanisms and methods for controlling light therapy application at each of a plurality of light application locations are also provided, such that light therapy treatments can be highly customized for each individual and/or therapy purpose. Simultaneous, sequential, or separate ocular visible light therapy is also available, thereby increasing the options for customized therapy modalities. The therapy devices are highly modular, permitting simplified repair and maintenance of device components upon component failure and allowing unnecessary device components to be removed from the device when not being used, thereby increasing user comfort.

An irradiation device capable of emitting electromagnetic radiation at variable beam angles, comprises, a housing assembly including a longitudinal shell, the longitudinal shell having a first end and a second end, a first end cap assembly provided at the first end of the longitudinal shell, and a second end cap assembly provided at the second end of the longitudinal shell. Further, the irradiation device comprises a rotate and lock mechanism adapted to allow rotational adjustment of the longitudinal shell, a plurality of lenses provided along with the longitudinal shell, wherein each one of the plurality of lenses has a distinct set of optical characteristics when compared with other lenses of the plurality of lenses and a radiation source configured to emit electromagnetic radiation, provided within the longitudinal shell.

A shape compliant wearable Photo-Dynamic Therapy (PDT) pad comprises an outer layer having an outer surface adapted to be exposed to the ambient, an inner layer having an inner surface adapted to be in contact with a body of a user, a metallic sheet provided between the outer layer and the inner layer, the metallic sheet being shape compliant, and a plurality of Light Emitting Diodes (LEDs) provided between the inner layer and the outer layer. The plurality of LEDs is configured to emit electromagnetic radiation towards the body of the user. Also, the inner layer and the metallic sheet include an enclosed cavity therebetween, the metallic sheet is configured to be maintained at a negative potential, and the inner layer includes a plurality of air holes providing a passage for ambient air to enter and exit the enclosed cavity.

A skin care device according to an embodiment of the present disclosure includes an outer case having a first opening, an inner case configured to be fastened to the outer case and having a second opening corresponding to the first opening, and a light output module configured to be accommodated between the outer case and the inner case, in which the light output module includes a module body configured to form a predetermined area based on a shape of the outer case or the inner case, a module cover formed along a part of an outer part of the module body, and, between the module body and the module cover, a plurality of light sources disposed in an array form along the outer part of the module body, and in which each of the plurality of light sources is disposed to face the module body.

A method of performing photodynamic therapy is provided. The method includes applying, to the skin of a patient, a topical composition. The topical composition includes 5-aminolevulinic acid (ALA) hydrochloride, and a vehicle comprising at least one chelating agent to enhance accumulation of protoporphyrin IX (PpIX) in the skin. The method further includes incubating the topical composition, and following incubation, applying, to the skin, heat from a heat source for at least a first time period.

A pulsed laser skin treatment device is for laser induced optical breakdown of hair or skin tissue. The device has a light exit window to be placed against a surface to be treated such as skin during use. A feedback system is used for determining a state of contact between the light exit window and the surface. To this end the feedback system is capable of detecting a feedback signal representative for the state of contact. If the feedback signal or the state of contact is such that the risk of skin surface or device damage by the device operation is too high, the user or the device has a way to interrupt the treatment or to reduce light output to reduce or eliminate this risk.