Eyes & Vision: Tests & Diagnosis
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
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
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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
Perimetry test (visual field testing) for glaucoma
07/07/06, HealthwiseA perimetry test (visual field test) measures all areas of your eyesight, including your side, or peripheral, vision.
Slit lamp exam for glaucoma
07/07/06, HealthwiseThe slit lamp is a special microscope that is used to look into the eye. It provides a magnified, three-dimensional view of the structures within the eye. Using the slit lamp alone, the health professional can examine the front (anteri
Glaucoma - Exams and Tests
07/07/06, HealthwiseA health professional evaluating possible glaucoma will take a medical history and do a physical examination. If glaucoma is suspected, you will usually be referred to an eye specialist (ophthalmologist) for further testing and tr
Strabismus - Exams and Tests
04/16/07, HealthwiseExams to check for strabismus are done by an ophthalmologist or, in some cases, by an optometrist. The doctor can often tell that a child has strabismus just by looking at the child's eyes. It may be obvious that the eyes do
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