Coloboma comes from the Greek word koloboma, meaning curtailed. It is used to describe a developmental defect of the eye occurring at embryonic stage. It can involve one or more ocular structures, including the cornea, iris, ciliary body, lens, retina, choroid and optic disc.
Blood sugar tests include several different tests that measure the amount of sugar (glucose) in a person's blood. These tests are performed either on an empty stomach, or after consuming a meal or pre-measured glucose drink. Blood sugar tests are done primarily to diagnose and evaluate a person with diabetes mellitus.lood sugar tests include several different tests that measure the amount of sugar (glucose) in a person's blood. These tests are performed either on an empty stomach, or after consuming a meal or pre-measured glucose drink. Blood sugar tests are done primarily to diagnose and evaluate a person with diabetes mellitus.
Blood Glucose. A blood glucose test measures the amount of a type of sugar, called glucose, in your blood. Glucose comes from carbohydrate foods. It is the main source of energy used by the body.Insulin is a hormone that helps your body's cells use the glucose. This test can be used to diagnose diabetes. 2  It also shows how well your diabetes has been controlled in the past 2 to 3 months and whether your diabetes medicine needs to be changed. 3  The result of your A1c test can be used to estimate your average blood sugar level. 4  This is called your estimated average glucose, or eAG.