[Echographic measurement of extraocular muscles in vivo].
Thickness of the extraocular rectus muscles can be displayed and measured by non-standardized A-scan echography. To establish a norm for the thickness of the rectus muscles, 100 eyes of 50 subjects were examined, with the result that the four recti ranged from 3 mm to 5 mm in thickness. The methodology and the normal range derived may be helpful in the diagnosis and differentiation of diseases affecting the extraocular muscles, such as Graves' disease and myositis.
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Eye Research Center, PUMC Hospital, Chinese Academy of Medical Sciences, Beijing.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000886:Anthropometry; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009801:Oculomotor Muscles / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D012016:Reference Values; D014463:Ultrasonography