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...
Resolution is the ability of a telescope to discern objects close together; for example, the ability to clearly separate two stars that are very close together or the ability to see smaller craters on the Moon. Visible Light Telescopes. The telescopes that most people are familiar with are visible-light (optical) telescopes. There are two main kinds of optical telescope, refractors and reflectors. Refractors use lenses (like you find in eyeglasses or binoculars) to collect and focus light. However, large pieces of finely ground glass are expensive and heavy, so it's not practical to make large refractors.