Ocular Abnormal Head Posture: A Literature Review

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Abstract

Purpose:

To provide a comprehensive review on different characteristics of abnormal head postures (AHPs) due to different ocular causes, its measurement, and its effect on facial appearance.

Methods:

In this review article, PubMed, Scopus, and Google Scholar search engines were searched for the scientific articles and books published between 1975 and September 2020 based on the keywords of this article. The selected articles were collected, summarized, classified, evaluated, and finally concluded.

Results:

AHP can be caused by various ocular or nonocular diseases. The prevalence of ocular causes of AHP was reported to be 18%–25%. 1.1% of patients presenting to ophthalmology clinics has AHP. The first step in evaluating a patient with AHP is a correct differential diagnosis between nonocular and ocular sources by performing comprehensive eye examinations and ruling out other causes of orthopedic and neurological AHP. Ocular AHP occurs for a variety of reasons, the most important of which include nystagmus, superior oblique palsy, and Duane's retraction syndrome. AHP may be an essential clinical sign for an underlying disease, which can only be appropriately treated by the accurate determination of the cause. Long-standing AHP may lead to facial asymmetry and secondary muscular and skeletal changes.

Conclusion:

In conclusion, a proper differential diagnosis between nonocular and ocular causes, knowledge of the different forms of AHP and their measurement methods, accurate diagnosis of the cause, and proper and timely treatment of ocular AHP can prevent facial asymmetry and secondary muscular and skeletal changes in the patients.

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Most cited references 84

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Congenital muscular torticollis: current concepts and review of treatment.

Phuong Do (2006)

The purpose of this review is to better understand the spectrum of disease in torticollis, which is the third most common pediatric orthopaedic diagnosis in childhood. Besides the benign muscular tightness of the sternocleidomastoid muscle leading to the classic head position, the differential diagnosis of the wry neck include sequelae to inflammatory, ocular, neurologic or orthopedic diseases. Patients present with a stiff and tilted neck, and therefore require a thorough and systematic work-up, including a complete physical and neurologic examination and cervical spine radiographs. Recent findings show that magnetic resonance imaging of the brain and neck is no longer considered cost-effective, or necessary, in congenital muscular torticollis. Observation and physical therapy, with or without bracing, is usually an effective treatment in most cases, especially if instituted within the first year of life. Botox has recently been shown to be an effective intermediate method of treatment for more resistant cases of congenital muscular torticollis. In those presenting after the age of 1 year, there is an increased rate of sternocleidomastoid muscle lengthening. The lengthening may improve the range of motion, but not necessarily the plagiocephaly, facial asymmetry, or cranial molding. It is important to differentiate muscular from nonmuscular torticollis. Congenital muscular torticollis is benign; missing a case of nonmuscular torticollis could be potentially life threatening.

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Motor and sensory characteristics of infantile nystagmus.

R Abadi, A Bjerre (2002)

Past studies have explored some of the associations between particular motor and sensory characteristics and specific categories of non-neurological infantile nystagmus. The purpose of this case study is to extend this body of work significantly by describing the trends and associations found in a database of 224 subjects who have undergone extensive clinical and psychophysical evaluations. The records of 224 subjects with infantile nystagmus were examined, where 62% were idiopaths, 28% albinos, and 10% exhibited ocular anomalies. Recorded variables included age, mode of inheritance, birth history, nystagmus presentation, direction of the nystagmus, waveform types, spatial and temporal null zones, head postures and nodding, convergence, foveation, ocular alignment, refractive error, visual acuity, stereoacuity, and oscillopsia. The age distribution of the 224 patients was between 1 month and 71 years, with the mean age and mode being 23 (SD 16) years and 16-20 years respectively. By far the most common pattern of inheritance was found to be autosomal dominant (n = 40), with the nystagmus being observed by the age of 6 months in 87% of the sample (n = 128). 139 (62%) of the 224 subjects were classified as idiopaths, 63 (28%) as albinos, and 22 (10%) exhibited ocular anomalies. Conjugate uniplanar horizontal oscillations were found in 174 (77.7%) of the sample. 32 (14.3%) had a torsional component to their nystagmus. 182 (81.2%) were classed as congenital nystagmus (CN), 32 (14.3%) as manifest latent nystagmus (MLN), and 10 (4.5%) as a CN/MLN hybrid. Neither CN nor MLN waveforms were related to any of the three subject groups (idiopaths, albinos, and ocular anomalies) MLN was found in idiopaths and albinos, but most frequently in the ocular anomaly group. The most common oscillation was a horizontal jerk with extended foveation (n = 49; 27%). The amplitudes and frequencies of the nystagmus ranged between 0.3-15.7 degrees and 0.5-8 Hz, respectively. Periodic alternating nystagmus is commonly found in albinos. Albino subjects did not show a statistically significantly higher nystagmus intensity when compared with the idiopaths (p>0.01). 105 of 143 subjects (73%) had spatial nulls within plus or minus 10 degrees of the primary position although 98 subjects (69%) employed a compensatory head posture. Subjects with spatial null zones at or beyond plus or minus 20 degrees always adopted constant head postures. Head nodding was found in 38 subjects (27% of the sample). Horizontal tropias were very common (133 out of 213; 62.4%) and all but one of the 32 subjects with MLN exhibited a squint. Adult visual acuity is strongly related to the duration and accuracy of the foveation period. Visual acuity and stereoacuity were significantly better (p<0.01) in the idiopaths compared to the albino and ocular anomaly groups. 66 subjects out of a sample of 168 (39%) indicated that they had experienced oscillopsia at some time. There are strong ocular motor and sensory patterns and associations that can help define an infantile nystagmus. These include the nystagmus being bilateral, conjugate, horizontal uniplanar, and having an accelerating slow phase (that is, CN). Decelerating slow phases (that is, MLN) are frequently associated with strabismus and early form deprivation. Waveform shape (CN or MLN) is not pathognomonic of any of the three subject groups (idiopaths, albinos, or ocular anomalies). There is no one single stand alone ocular motor characteristic that can differentiate a benign form of infantile nystagmus (CN, MLN) from a neurological one. Rather, the clinician must consider a host of clinical features.

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The clinical presentation and outcome of treatment of congenital muscular torticollis in infants--a study of 1,086 cases.

Queenie Wong, S. S. Tang, June J. Cheng … (2000)

The main objectives of this study were to define the clinical patterns and characteristics of congenital muscular torticollis (CMT) presented in the first year of life and to study the outcome of different treatment methods. This is a prospective study of all CMT patients seen in 1 center over a 12-year period with uniform recording system, assessment methods, and treatment protocol. From a total of 1,086 CMT infants, 3 clinical subgroups of sternomastoid tumor (SMT; 42.7%), muscular torticollis (MT; 30.6%), and postural torticollis (POST; 22.1%) were identified. The SMT group was found to present earlier within the first 3 months and was associated with higher incidence of breech presentation (19.5%), difficult labor (56%), and hip dysplasia (6.81%). Severity of limitation of passive neck rotation range (ROTGp) was found to correlate significantly with the presence of SMT, bigger tumor size, hip dysplasia, degree of head tilt, and craniofacial asymmetry. A total of 24.5% of the patients with initial deficits of passive rotation of less than 10 degrees showed excellent and good outcome with active home positioning and stimulation program. The remaining cases with rotation deficits of over 10 degrees and treated with manual stretching program showed an overall excellent to good results in 91.1% with 5.1% requiring subsequent surgical treatment. The most important prognostic factors for the necessity of surgical treatment were the clinical subgroup, the ROTGp, and the age at presentation (P < .001).

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Author and article information

Journal

Journal ID (nlm-ta): J Curr Ophthalmol

Journal ID (iso-abbrev): J Curr Ophthalmol

Journal ID (publisher-id): JCO

Title: Journal of Current Ophthalmology

Publisher: Wolters Kluwer - Medknow (India )

ISSN (Electronic): 2452-2325

Publication date Collection: Oct-Dec 2021

Publication date (Electronic): 06 January 2022

Volume: 33

Issue: 4

Pages: 379-387

Affiliations

[1 ]Translational Ophthalmology Research center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran

[2 ]School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran

[3 ]School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran

[4 ]Proteomics Research Center, Department of Biostatistics, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

[5 ]Department of Oral and Maxillofacial Surgery, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran

Author notes

Address for correspondence: Masoud Khorrami-Nejad, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran. E-mail: dr.khorraminejad@ 123456gmail.com

Article

Publisher ID: JCO-33-379

DOI: 10.4103/joco.joco_114_20

PMC ID: 8772496

SO-VID: 514dc01f-2e3b-4dd1-a8ff-aa9f60f213b3

License:

This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.

History

Date received : 10 September 2020

Date revision received : 03 December 2020

Date accepted : 12 December 2020

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Ocular Abnormal Head Posture: A Literature Review

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Peter Lang Books - Languages & Literature

Most cited references 84

Congenital muscular torticollis: current concepts and review of treatment.

Motor and sensory characteristics of infantile nystagmus.

The clinical presentation and outcome of treatment of congenital muscular torticollis in infants--a study of 1,086 cases.

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