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.
When an initial PTT is prolonged, a second PTT test is performed by mixing the person's plasma with pooled normal plasma (a collection of plasma from a number of normal donors). If the PTT time returns to normal (corrects), it suggests a deficiency of one or more of the coagulation factors in the person's plasma.