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Prism (optics) A familiar dispersive prism. An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base ...
Verilux Happy Light Lucent One-Touch Light Therapy Lamp. Amazon. $45. $40. Buy on Amazon. This SAD lamp keeps things super simple, so there is only one button. Press the on/off button to deliver ...
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, and skin wound infections.
Side view of a slit lamp machine. Cataract in human eye: magnified view seen on examination with the slit lamp. In ophthalmology and optometry, a slit lamp is an instrument consisting of a high-intensity light source that can be focused to shine a thin sheet of light into the eye. It is used in conjunction with a biomicroscope.
What is light therapy? Whether you’re dealing with depression or skin disorders, migraines or other chronic pain, sometimes you just need to turn to the light. Depending on the condition, there ...
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The following terms are accepted as alternatives of low level light therapy term: LLLT, laser biostimulation, laser phototherapy, low-level laser therapy, low-power laser irradiation, low-power laser therapy, and photobiomodulation therapy. The term photobiomodulation therapy is considered the preferred term by industry professionals.
Light therapy lamps' main benefit is their ability to act as artificial sunshine. They work to replace that missing daylight and regulate our biological clocks, helping ensure those clocks are not ...