Dioptrics is a branch of optics that deals with the study of lenses and their ability to focus light. The term is often associated with the principles of refraction and how different optical elements, such as lenses, affect the path of light. Dioptrics is particularly concerned with the measurement of focal lengths, the design of optical systems, and applications in various fields such as vision correction (eyeglasses and contact lenses), photography, and microscopy.
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