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Medical tests
… test The ABO test shows that people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A … type. Although "universal donor" and "universal recipient" types may be used to classify blood in an emergency, blood … type. The following table shows the compatibility of blood types between blood donors and recipients. Read the table as …
Medical tests
Medical tests
… eyes may be tested together, with and without corrective lenses (if you wear them). Several types of visual acuity tests may be used. Refraction test. … error and finds out the right prescription for glasses or contact lenses. Refractive errors, such as nearsightedness …
Medical tests
… The IOP reading shows on a small computer panel. Non-contact tonometry (pneumotonometry) . Non-contact (or air-puff) tonometry does not touch your eye but … glaucoma or risk factors for glaucoma. If you wear contact lenses, remove them before the test. Do not put your …
Medical tests
… fills the large space in the middle of the eye. Special lenses can be placed between the slit lamp and the cornea … marrow transplant. How To Prepare If you wear glasses or contact lenses, you will need to remove them before the slit … specialist may do the test. The doctor may put one or more types of drops in your eye. Dilating drops may be used to …
Medical tests
… defects that may cause glaucoma. How To Prepare If you wear contact lenses, remove them before this test and do not put them … defects that may cause glaucoma. How To Prepare If you wear contact lenses, remove them before this test and do not put …
Medical tests
… surgery, radiation , or chemotherapy . Diagnose certain types of infection, such as tuberculosis . How To Prepare … of surgery or procedure. How It Is Done Remove glasses, contact lenses, and dentures or a removable bridge just before the …
Medical tests
… aren't recommended. If you have a glass thermometer, contact your local health unit to find out how to dispose of … a low body temperature (hypothermia). Comparing temperature types You can take a temperature using the mouth (oral), … a low body temperature (hypothermia). Comparing temperature types You can take a temperature using the mouth (oral), …
Medical tests
… contains blood vessels and the optic nerve . There are two types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor … that is about the size of a small flashlight. It has many lenses that can magnify up to about 15 times. Indirect … contains blood vessels and the optic nerve . There are two types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor …
Medical tests
… such as an object or growth in the airway. There are two types of bronchoscopy. Flexible bronchoscopy. It uses a … Is Done You may be asked to remove dentures, eyeglasses or contact lenses, hearing aids, wigs, makeup, and jewellery before the …