UV LED Phototherapy
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Technology
UVA LEDs offer technological improvements over mercury vapor UV light sources, also known as legacy technology.
Limitations of Legacy Technology
- Cannot deliver the control required to provide a guaranteed absence of UVB/UVC light in tanning and medical applications
- Cannot guarantee a constant spectral output over
time based on the nature of phosphor coatings and filters
- Potential for exposure to harmful UVB or UVC light due to lamp/filter failure
- Unable to deliver exact and desired
light for both experimental and therapeutic purposes
UV LEDs offer spectral, temporal, and spatial degrees of freedom to Opthera designs:
- Spectral
- Wavelength selection and tuning
- Increased long-term stability
- Isolate wavelengths deemed efficacious for a given condition
- Eliminate unnecessary or harmful wavelengths for a given condition
- Continuous spectral output (similar to the sun)
- Absence discrete spectral lines
- Temporal
- Sequencing of one or more wavelength to maximize biologic responses
- Long term stability of spectral emission
- Spatial
- Multiple form factors
- Flexible arrays
- Controlled patterns to avoid specific regions on the skin
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