The list of signs and symptoms mentioned in various sources for Coloboma of iris includes the 7 symptoms listed below: Hole in the iris. Unusual shaped pupil. Blurred vision. Impaired vision. Impaired central vision. Asymptomatic. Light sensitivity.
Also known as: Activated Partial Thromboplastin Time; aPTT; APTT. Formal name: Partial Thromboplastin Time. Related tests: PT and INR; Fibrinogen; D-dimer; Thrombin Time; Lupus Anticoagulant Testing; ACT; Coagulation Factors; Platelet Count; Heparin Anti-Xa; von Willebrand Factor; Antiphospholipid Antibodies.
The aPTT test uses blood which is decalcified to prevent clotting before the test begins. The plasma is separated by centrifugation. (Ionized) Calcium and activating substances are added to the plasma to start the intrinsic pathway of the coagulation cascade.