Body-worn air-treatment devices include a body that is configured to be selectively coupled proximate to a respiratory tract inlet of a living individual, and a pathogen-deactivating mechanism that is supported by the body. Methods include deactivating pathogens proximate to a respiratory tract inlet of a living individual.

A home phototherapy system for producing vitamin D via skin exposure and associated methods are disclosed herein. In some embodiments, the system includes a UV-emitting device that includes a housing and a UV light assembly carried by the housing. The UV light assembly can include an array of UVB light emitters and an optical component that, together, emit phototherapeutic UV radiation from an active side of the housing to promote vitamin D production in skin (e.g., a human torso) exposed to the UVB light. The system also includes a dose controller operably coupled to the UV light assembly that can create a dosing protocol for the UV light assembly and specific to the user. The dose controller can be implemented on an application in a mobile device, within the UV-emitting device, and/or a cloud server.

A photodynamic therapy (PDT) apparatus and method are disclosed. The PDT apparatus can include a flexible optical applicator that includes a plurality of light emitting devices for producing an irradiance pattern of therapy light to a target area of a patient. The PDT system includes an optical light controller that includes a computer processor. The method disclosed includes determining a treatment plan based on a plurality of therapy light parameters, photosensitizing drug selection, patient specific parameters, optimized light interval and other relevant parameters. The method further includes monitoring the application of the therapy light against the treatment plan and determining an updated treat plan in the event of a deviation from an initial treatment plan.

A system for controlling a laser treatment, comprising a three dimensional image generator configured to receive three dimensional surface data and to generate a user display of the three dimensional surface data, a user control configured to allow a user to select one or more sections from the user display of the three dimensional surface data and to assign a laser wavelength to the selected section and a robotic treatment device configured to receive the assigned laser wavelength and the selected section and to control a laser device to deliver a laser treatment to the selected section at the assigned laser wavelength.

Systems and methods for adjusting a user's circadian rhythm are described. In some embodiments, a system may include one or more input modules for collecting data, a light source, a processor system including one or more processors that controls the light source, and a memory system storing one or more machine instructions. The system may be configured to obtain light sensitivity data for a user, compare the user's light sensitivity data against calibration data, and based on at least the light sensitivity data and the calibration data, generate instructions for activating the light source to adjust the user's circadian rhythm.

Embodiments of the present disclosure are directed to a wearable phototherapy eye device. In an example, phototherapy can be controlled by varying an emission property of light emitted from the wearable phototherapy eye device to a user eye. In particular, the wearable phototherapy eye device includes a light source oriented to emit the light towards the user eye. The wearable phototherapy eye device also includes controls, such as electrical, mechanical, and/or electro-mechanical controls, to vary the emission property of the light based on an emission target associated with a sleep phase.

A computerized method for controlling the operation of a laser therapy device is disclosed. A laser therapy device comprising laser diodes has a microprocessor for storing and executing instructions pertaining to the operation of the laser diodes within certain parameters. The computerized method detects the movement of the laser therapy device and alters the output of the laser diodes when a movement signal exceeds predetermined threshold parameters. The computerized method detects difference in temperature in certain areas, and patterns in temperature differences, for assistance in diagnosing ailments. The computerized method also detects differences in skin color to determine treatment areas. The computerized method also measures the distance of the laser therapy device to a treatment area. The microprocessor executes instructions then which can alter the output of the laser diodes or generate an alarm signal based on measurements received.

The invention concerns a device 10 for illuminating an object 12 with a controlled light intensity, the light intensity being controlled when the light intensity fulfills a plurality of conditions to be fulfilled, the plurality of conditions comprising a condition relative to the intensity at a given time and a condition relative to the dose during a period of time.

A lighting arrangement for general lighting, comprising a first light source Oadapted to emit a first light substantially only in a first predetermined spectrum in a range from 615 nm to 690 nm, one or more driver circuits adapted to provide a first pulsed driving current to the first light source for producing the first light pulsing with a first peak radiant power in the first predetermined spectrum sufficient to induce a photo-biomodulation response in a human body, and a second light source adapted to emit a second light, the second light source being capable of emitting at least 250 lumens. The pulse characteristics of the first light are such that no visible flicker or stroboscopic effects can be observed by the human eye in the combined light from the first and second light sources during steady-state operation of the lighting arrangement, and the combined light from the first and second light sources has a combined colour point at a distance less than 8 Standard Deviation Color Matching to a black body line in a CIE x,y chromaticity space, and a first radiant power of the first light in the first predetermined spectrum is at least twice a second radiant power of the second light in the second predetermined spectrum during the pulses of the first driving current.

A therapeutic irradiation device may include: a source configured to emit electromagnetic radiation in a predetermined spectral range, a sensor configured to detect electromagnetic radiation in the predetermined spectral range of the electromagnetic radiation emitted by the source and to output a signal indicative of a power of the detected radiation, and a controller configured to monitor a magnitude of the signal output by the sensor and to compare the magnitude of the signal with a predetermined magnitude range, wherein the controller is configured to identify a time period during which the magnitude of the signal output by the sensor is included in the predetermined range.