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Figure 1 - Humphrey field analyser. Humphrey field analyser (HFA) is a tool for measuring the human visual field that is commonly used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field. [1] The results of the analyser identify the type of vision defect.
Machine-based tests aid diagnostics by allowing a detailed printout of the patient's visual field. Other names for this test may include perimetry, Tangent screen exam, Automated perimetry exam, Goldmann visual field exam, or brand names such as Henson 9000 Perimeter, Humphrey Field Analyzer, Octopus Perimeter, Oculus Easyfield perimeter, etc ...
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A Canadian man has been arrested by Indian authorities at the New Delhi’s airport after a crocodile skull was found in his luggage.
Startled awake, mom discovers her son is shot. As Givens snapped awake, her son Destin was screaming, his right hand bleeding. Givens’ .22-caliber Glock handgun lay on the floor nearby.
Visual field-bitemporal hemianopia Visual field-binasal hemianopia. A lesion involving complete optic chiasm, which disrupts the axons from the nasal field of both eyes, causes loss of vision of the right half of the right visual field and the left half of the left visual field. [3] This visual field defect is called as bitemporal hemianopia.
General Motors said Tuesday it will retreat from the robotaxi business and stop funding its money-losing Cruise autonomous vehicle unit. Instead the Detroit automaker will focus on development of ...
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