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Visual System

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Newsletter Articles
Guides Newsletter (2021) 26 (1): 9–17.
Published: 01 January 2021
... in 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...
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...
Figures
TABLE 1.: Calculation of the Impairment Rating for the <span class="search-highlight">Visual</span> <span class="search-highlight">System</span>
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 (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...
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 (2021) 26 (1): 18.
Published: 01 January 2021
... evaluation is often required. A Goldmann visual field test of each eye is required, insofar as the results are integral to the determination of a verifiable visual system impairment rating, as determined by the best-corrected visual acuity and visual field scoring. In the context of a medicolegal report...
Newsletter Articles
Guides Newsletter (2019) 24 (1): 3–14.
Published: 01 January 2019
... nerves except for trigeminal and glossopharyngeal neuralgia” in Chapter 11 (page 323). However, it also states that it rates visual disorders in Chapter 12 (The Visual System) and vestibular disorders in Chapter 11. It neglects to state that it rates hearing in Chapter 11. Disorders of cranial nerves 3...
Newsletter Articles
Guides Newsletter (2022) 27 (2): 13.
Published: 01 March 2022
... to Facial Disorders and/or Disfigurement (6th ed, 261-265). Usually, Horner syndrome does not result in significant visual impairment. However, Chapter 12, The Visual System, Section 12.4b, Individual Adjustments (6th ed, 305-306), explains considerations for other functions. In the unlikely event...
Newsletter Articles
Guides Newsletter (2006) 11 (2): 4–8.
Published: 01 March 2006
...Christopher R. Brigham, MD; Jenny Walker The AMA Guides to the Evaluation of Permanent Impairment, ( AMA Guides ), Fifth Edition, is the most widely used basis for determining impairment and is used in state workers’ compensation systems, federal systems, automobile casualty cases, and personal...
Newsletter Articles
Guides Newsletter (2020) 25 (5): 3–11.
Published: 01 September 2020
... (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 (2000) 5 (2): 5–7.
Published: 01 March 2000
...Charles N. Brooks, MD The three components of electrodiagnosis useful in evaluation of the peripheral nervous system and spinal cord include electromyography (EMG), electroneurography (nerve conduction studies), and somatosensory evoked potentials. EMG examination involves introduction of a special...
Newsletter Articles
Guides Newsletter (2008) 13 (2): 5.
Published: 01 March 2008
... Nervous System, continues to use a methodology similar to that of the fifth edition. The latter was criticized for duplicating materials that were presented in other chapters and for producing different ratings, so the revision of Chapter 13 attempts to maintain consistency between this chapter and those...
Newsletter Articles
Guides Newsletter (2001) 6 (6): 11–14.
Published: 01 November 2001
... amputations, hearing loss, visual loss, hernias, and disfigurement. Some states may use a statutory schedule and use the Guides for nonscheduled injuries. Permanent impairment ratings using the Guides are commonly performed in personal injury and automobile casualty cases and in federal systems...
Newsletter Articles
Guides Newsletter (2011) 16 (3): 1–5.
Published: 01 May 2011
... in Tables 1 and 2 . Table 1. Jurisdictional Comparisons Australian Workers' Compensation Systems New South Wales (NSW) AMA Guides, 5th ed, but Chapter 14, Mental and Behavioral Disorder and Chapter 18, Pain removed. AMA Guides, 4th ed, Chapter 8, Visual System is used for vision...
Newsletter Articles
Guides Newsletter (2009) 14 (6): 9–10.
Published: 01 November 2009
... ganglionic Horner's syndrome; he opined that the dissection could be linked to the motor vehicle accident. How would one go about rating it? Answer: In accordance with the introduction, the ratings for the Visual System in the Fifth and Sixth Editions are based on the estimated impact...
Newsletter Articles
Guides Newsletter (1997) 2 (2): 1–2.
Published: 01 March 1997
..., an individual's prosthesis or assistive device should be removed during evaluation. If it is not easily removed, function may be tested with it in place. The visual system should be tested with the patient's glasses or contact lenses in place. (The following excludes the Injury Model for the spine...
Newsletter Articles
Guides Newsletter (2018) 23 (1): 10–13.
Published: 01 January 2018
...: Emotional, mental, and behavioral disorders without clinically documented neurogenic causes are rated in this chapter. Chapter 12, The Visual Systems: All visual disorders are rated in this chapter. Chapter 11, Ear, Nose, Throat, and Related Structures: Vestibular (balance) disorders, dysarthria...
Newsletter Articles
Guides Newsletter (2008) 13 (2): 6–8.
Published: 01 March 2008
..., the goals stated for the Sixth Edition included a collaborative decision of the Editorial Board of the Sixth Edition to maintain most ratings related to limbs in the Upper Extremities and the Lower Extremities (Chapters 15 and 16, respectively), to refer visual disorder ratings to the Visual System (Chapter...
Newsletter Articles
Guides Newsletter (2020) 25 (2): 3–8.
Published: 01 March 2020
... to an increase in the worldwide influence and use of the AMA Guides . In the United States, the AMA Guides is used primarily in state and federal workers’ compensation systems and sometimes in automobile casualty and personal injury arenas. Most workers’ compensation jurisdictions across Canada use the AMA...