visual field…

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what the risks are eye, visual field test, perimetry, tangent screen exam, automated perimetry exam, goldmann visual field exam, humphrey visual field exam, visual field, total area, objects, in the peripheral vision the eye is focused on a central point, confrontation visual field exam, a quick, basic evaluation, the visual field done, examiner sitting directly in front of you, one eye covered, asked, look, examiner's eye, tell, see the examiners hand, tangent screen or goldmann field exam, sit, 3 feet, a screen, a target, in the center, stare, central target, let the examiner know, see an object brought into peripheral vision, extent of peripheral vision is mapped, automated perimetry, sit in front of a concave dome, stare at a central target, the dome, a computer-driven program flashes small lights at different locations, the dome's surface, press a button, the small lights in peripheral vision, responses, compared to age-matched controls, defects, the visual field, adults, no special preparation is necessary, children, physical, psychological preparation, procedure depends on child's age, interests, level of trust, prepare child, they correspond to child's age, toddler test, procedure preparation, 1 to 3 years, preschooler test, procedure preparation, 3 to 6 years, schoolage test, procedure preparation, 6 to 12 years, adolescent test, procedure preparation, 12 to 18 years, no discomfort, visual field tests take a long time, tiring, test, detect any loss of peripheral vision, provide a map of that loss, in diagnosing the cause, peripheral vision is normal in extent, abnormal results, indicate diseases, central nervous system problems tumors that damage, compress the parts, the brain that deal, vision, affect the visual field, the eye include diabetes, hyperthyroidism, a condition, thyroid produces an excess of hormones, hypertension, the pituitary gland, multiple sclerosis, additional conditions under which the test performed, glaucoma, optic glioma, stroke, stroke secondary to cardiogenic embolism, stroke secondary to carotid dissection, stroke secondary to cocaine test has no risks, type of visual field testing to be done, discussed, by doctor.