Eyes & Vision: Tests & Diagnosis
Electronystagmogram (ENG)
09/01/06, HealthwiseAn electronystagmogram (ENG) measures normal eye movement and involuntary rapid eye movements called nystagmus. It also checks the muscles that control eye movements. ENG checks how well the eyes, inner ears, and brain help y
Computed Tomography (CT) Scan of the Head and Face
07/19/07, HealthwiseA computed tomography (CT) scan uses X-rays to make pictures of the head and face.
Magnetic Resonance Imaging (MRI) of the Head
01/19/07, HealthwiseMagnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to take pictures of the head. In many cases MRI gives information that cannot be seen on an X-ray, ultrasound, or computed
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Eyelid Problems (Blepharitis) - Exams and Tests
03/15/07, HealthwiseTo diagnose this condition, the health professional will examine your eye, eyelid, and eyelashes with an instrument called an ophthalmoscope.
Diabetic Retinopathy - Exams and Tests
04/13/07, HealthwiseDiabetic retinopathy can be detected during an exam by an ophthalmologist or optometrist. An exam by your primary doctor, during which your eyes are not dilated, is not an adequate substitute for a full exam done by an ophtha
Sjögren's Syndrome - Exams and Tests
05/18/06, HealthwiseAfter taking your medical history and doing a physical exam, your health professional will assess your symptoms and run certain laboratory tests to confirm a diagnosis of Sjögren's syndrome. He or she will ask you for a list of th
Eye Angiogram
07/06/07, HealthwiseAn eye angiogram uses a yellow dye (fluorescein) and a camera to take pictures and evaluate the blood flow through the vessels in the back of the eye (retina).
Nearsightedness (Myopia) - Exams and Tests
07/07/07, HealthwiseA routine eye exam can detect nearsightedness (myopia) and other vision problems and diseases that can affect the eyes. A complete exam takes 30 to 60 minutes.
Color Blindness - Exams and Tests
10/31/07, HealthwiseTests can detect color blindness by measuring the ability to recognize different colors.
Amblyopia - Exams and Tests
07/17/07, HealthwiseA doctor may diagnose amblyopia after detecting poor vision in one eye during an eye exam and ruling out other causes for this poor vision. Tests that find misaligned eyes (strabismus), unequal vision in the eyes, or any other con
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