Diabetic neuropathies are a family of nerve disorders caused by diabetes. People with diabetes can, over time, develop nerve damage throughout the body. Some people with nerve damage have no symptoms. Others may have symptoms such as pain, tingling, or numbnessâloss of feelingâin the hands, arms, feet, and legs. Nerve problems can occur in every organ system, including the digestive tract, heart, and sex organs. About 60 to 70 percent of people with diabetes have some form of neuropathy.
telescope definition: The definition of a telescope is an optical instrument that makes far away objects look closer by using a special arrangement of lenses and mirrors. (noun) An optical instrument you use to look at the stars that makes the stars appe...
Many celestial phenomena can be seen at more than one wavelength. 1  Optical telescopes can be used on Earth and in space. An example of a huge optical telescope in space is the Hubble Space Telescope through which astronomers can look out across the Universe without the distortion of light by the Earth's atmosphere. The first optical telescope was created 400 years ago, while the other kinds of telescopes were invented in the 20th century.