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Visual System

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Newsletter Articles
Guides Newsletter (2021) 26 (1): 9–17.
Published: 01 January 2021
... Chapter 12, The Visual System, and other chapters, as applicable. The interpolation of the multiple dimensions of the visual system into the enumeration of a single impairment percentage may involve complex mathematical manipulations. Properly enumerated, the value can be utilized rigorously in impairment...
Newsletter Articles
Guides Newsletter (2011) 16 (6): 7–11.
Published: 01 November 2011
...Bernard R. Blais, MD Use of The Visual System section of the AMA Guides to the Evaluation of Permanent Impairment ( AMA Guides ), Sixth Edition, requires knowledge and skills in ophthalmology and assessing impairment. Visual acuity usually is measured using symbols (letters, numbers, pictures, or...
Calculation of the Impairment Rating for the <b>Visual</b> <b>System</b>    Note that the...
Published: 01 January 2021
TABLE 1. Calculation of the Impairment Rating for the Visual System Note that the prefix visual is used when the score refers to each eye. The prefix functional refers to the estimated performance of the individual. The term vision score combines visual acuity and visual field estimates More
Newsletter Articles
Guides Newsletter (2001) 6 (5): 5–7, 10.
Published: 01 September 2001
...Bernard R. Blais, MD The assessment of visual impairment has been significantly revised from the AMA Guides to the Evaluation of Permanent Impairment ( AMA Guides ), Fourth Edition. The Fifth Edition, Chapter 12, The Visual System, bases ratings on an estimate of the severity of the effects of...
Newsletter Articles
Guides Newsletter (2020) 25 (5): 3–11.
Published: 01 September 2020
... 12 (The Visual System) or Chapter 13 (The Central and Peripheral Nervous System) in the AMA Guides, Fifth and Sixth Editions ? How is urinary or fecal incontinence rated following a CNS injury? A case involving a catastrophic accident in which an examinee's airway was completely obstructed, causing...
Newsletter Articles
Guides Newsletter (2018) 23 (1): 10–13.
Published: 01 January 2018
..., The Visual Systems: All visual disorders are rated in this chapter. Chapter 11, Ear, Nose, Throat, and Related Structures: Vestibular (balance) disorders, dysarthria, dysphonia, and cranial neuropathies other than trigeminal/glossopharyngeal neuralgia are rated in this chapter. It is...
Newsletter Articles
Guides Newsletter (2011) 16 (6): 1–6.
Published: 01 November 2011
... different from rehabilitation for visual field loss. The FVS system provides internationally endorsed statistical estimates of the effects of visual impairment on the ability to perform activities of daily living. © 2011 American Medical Association. All Rights Reserved. 2011 American Medical...
Newsletter Articles
Guides Newsletter (2019) 24 (1): 3–14.
Published: 01 January 2019
... opinion that apportionment issues will rely on more scientifically valid data, namely, preexisting visual function as documented in prior medical records. As with the eye, changes in the auditory system are both anatomical and physiological. Anatomical changes include the following: Thinning...
Newsletter Articles
Guides Newsletter (2021) 26 (1): 18.
Published: 01 January 2021
... it must be because the data are missing historically. In the fifth edition of the AMA Guides, Section 12.4a, Calculating an Impairment Rating for the Visual System, is defined by rule 12.4a.2.2 (5th ed, 296), which states: “If visual field data are not available and if there is no clinical reason...
Newsletter Articles
Guides Newsletter (2020) 25 (4): 3–7.
Published: 01 July 2020
... preliminary guidance on rating permanent impairment within the respiratory, cardiac, vascular, neurologic, renal, gastrointestinal, and/or mental systems in COVID-19 survivors. Current references on the manifestations of COVID-19 illness in these body systems are included, which can be used as references to...
Newsletter Articles
Guides Newsletter (2021) 26 (2): 3–12.
Published: 01 March 2021
... Structures Chapter 11 Chapter 11 Loss of sense of smell or taste Section 11.4c, p 270 Section 11.4c, p 262 Visual System Chapter 12 Chapter 12 Vision loss secondary to hypercoagulable state or cerebrovascular accident Per applicable vision tables Per applicable vision tables...
Newsletter Articles
Guides Newsletter (2014) 19 (3): 10–14.
Published: 01 May 2014
...Richard T. Katz, MD This article is an introduction to electrodiagnosis of the peripheral nervous system, including electromyography, electroneurography (nerve conduction studies), and somatosensory evoked potentials. Electromyography involves the introduction of a special recording needle into a...
Newsletter Articles
Guides Newsletter (2020) 25 (6): 7–9.
Published: 01 November 2020
... (because each of these has its methodology) from the upper extremity chapter. Similarly, impairment ratings derived from the skin; visual; ear, nose, and throat; and nervous system chapters all require the evaluating physician to learn and apply different rating methodologies. Nevertheless, the sixth...
Newsletter Articles
Guides Newsletter (2020) 25 (2): 3–8.
Published: 01 March 2020
... and pain have been excluded, and the Fourth Edition, rather than the Fifth Edition, is used for visual impairment. 11 In the Australian Commonwealth (federal) workers’ compensation system, the Safety, Rehabilitation and Compensation Act 1988 provides for compensation benefits for covered...
Newsletter Articles
Guides Newsletter (2019) 24 (6): 3–11.
Published: 01 November 2019
... present article addresses the musculoskeletal system and differs from the first three articles, which focused on apportionment of an impairment rating between aging and other causes. The medical literature supports the notion that age-related osteoarthritis (OA) changes in the hand and digits frequently...
Newsletter Articles
Guides Newsletter (2020) 25 (3): 3–11.
Published: 01 May 2020
... Implementation Playbook. https://www.ama-assn.org/system/files/2020-04/amatelehealth-playbook.pdf . Accessed May 12, 2020 . 16. American Medical Association . AMA quick guide to telemedicine practice . https://www.ama-assn.org/practice-management/digital/ama-quick-guide-telemedicine-practice...
Newsletter Articles
Guides Newsletter (1997) 2 (2): 3–4.
Published: 01 March 1997
... also are addressed in other chapters of the AMA Guides (eg, the visual system or the ear, nose, and throat). With respect to cranial nerve I, an impairment estimate associated with anosmia or parosmia should be given only if this significantly interferes with daily activities. For cranial nerve II, the...
Newsletter Articles
Guides Newsletter (2019) 24 (3): 10–13.
Published: 01 May 2019
... literature, translation measurements in the spine appear to be both more reproducible and accurate when performed on computed radiography, digital radiography, or digitized analog images evaluated on a picture archive and communication system (PACS). The ability to magnify the image, the ability to optimally...
Newsletter Articles
Guides Newsletter (2018) 23 (4): 11–13, 16.
Published: 01 July 2018
... they deal with hallucinations or confusion. Malingerers report symptoms that are more bizarre than real symptoms (eg, giants rather than ordinary-sized people in a visual hallucination). Malingerers are more likely to talk about sudden onset, whereas hallucinations and delusions usually come on...
Newsletter Articles
Guides Newsletter (2018) 23 (2): 3–8.
Published: 01 March 2018
... Instrumentalities Act (1952), and the Outer Continental Shelf Lands Act (1953). The compensation system is administered by the US Department of Labor, Office of Workers' Compensation Programs, Division of Longshore and Harbor Workers' Compensation (DLHWC).1 Injured workers who qualify for coverage are...