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As a result of the increasing popularity of LED light therapies for skin improvements, a wide range of skincare devices utilizing this technology are readily available on the market. LED red light products are most common for domestic LED light therapy, including LED light masks, panels, handheld devices, and belts. Typically, individuals buy ...
Broadband polychromatic light (white light) and LED radiation can only penetrate 0.0017 mm to 5 mm of tissue. [25] For example, research shows that at wavelengths of 450 nm and 650 nm only 1% of the light reaches approximately 1.6 mm and very little reaches 5 mm. [ 26 ] [ 27 ] Only laser radiation can propagate into deeper tissues.
Small fiber peripheral neuropathy is a type of peripheral neuropathy that occurs from damage to the small unmyelinated and myelinated peripheral nerve fibers. These fibers, categorized as C fibers and small Aδ fibers , are present in skin , peripheral nerves , and organs. [ 1 ]
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, neonatal jaundice, and skin wound infections.
Optic neuropathy is damage to the optic nerve from any cause. The optic nerve is a bundle of millions of fibers in the retina that sends visual signals to the brain. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy.
The light generator stores the source of light, which is a halogen bulb. The fiber-optic cable connects the light generator to the fiberoptic pad, which contains fiberoptic fibers and usually has a disposable cover. [citation needed] It is important to make sure that the light-source machine is placed on a flat, level, hard surface such as a ...
This light source was developed as a key component in the next generations of fibre optic gyroscopes, low coherence tomography for medical imaging, and external cavity tunable lasers with applications to fiber-optic communications. In 1989 the technology was transferred to GE-RCA in Canada, which became a division of EG&G.
The diagnosis of toxic or nutritional optic neuropathy is usually established by a detailed medical history and careful eye examination. If the medical history clearly points to a cause, neuroimaging to rule out a compressive or infiltrative lesion is optional. However, if the medical history is atypical or does not clearly point to a cause ...
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