The eye as an optical device

08 january 2017, 22:21

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At the present time for the correction of ametropia is mainly used in hard and soft corneal contact lens. Hard contact lenses are made from polymethylmethacrylate PMMA or other organic materials by grinding on special machines. They can be made.. Let us consider some special cases of the refraction of light.

One of the simplest is the passage of light through a prism. It is a narrow wedge of glass or other transparent material in the air. Prismatic correction differs from other types of optical correction of the vision defect correct it is basically functional. Therefore the selection of prisms cannot and should not be as accurate as the selection of spheres or cylinders. Medicine of the future - a video about the diagnosis and treatment of diseases in the future Assisted reproductive technologies - present and future Application obecnych technologies in clinical Oncology Stem cells can grow a new body Launch of Global Institute in the duration and quality of human life.

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