Axial length measurement discrepancies in asteroid hyalosis.
نویسندگان
چکیده
منابع مشابه
Axial Length Measurement in Asteroid Hyalosis: Comparing Laser Interferometry and Ultrasound A-scan
© 2009 by the Iranian Society of Ophthalmology Published by Otagh-e-Chap Inc. 29 Purpose: To compare laser interferometry (LI) and ultrasound A-scan in measurement of axial length (AL) in eyes with asteroid hyalosis Methods: Twenty three patients with unilateral moderate to severe asteroid hyalosis determined by B-scan ultrasonography images participated in the study. The AL measurements were o...
متن کاملaxial length measurement in asteroid hyalosis: comparing laser interferometry and ultrasound a-scan
purpose : to compare laser interferometry (li) and ultrasound a-scan in measurement of axial length ( al ) in eyes with asteroid hyalosis methods : twenty three patients with unilateral moderate to severe asteroid hyalosis determined by b-scan ultrasonography images participated in the study. the al measurements were obtained by li and ultrasound a-scan in both asteroid hyalosis and noninvolved...
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Asteroid hyalosis is an age related vitreous degeneration of unknown etiology, usually described to be unilateral. It's characterized by aggregation of calcium soaps in vitreous body. This benign condition has been reported to be frequently associated to many systemic disorders including diabetes mellitus, systemic arterial hypertension, atherosclerotic vascular disease, hypercholesterolemia an...
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A 56 years old man was admitted to the ophthalmology department for low visual acuity since his 45 years old with no amelioration after optic correction. The physical exam found visual acuity at 1/10 on the right eye and 9/10 on the left one, clear cornea, intraocular pressure at 14 mmhg on both eyes, the fundus of the right eye showed multiple yellow mobile vitreous particles that are absent o...
متن کاملAxial length measurement techniques in pediatric eyes with cataract.
Globe axial length (AL) in children is commonly measured using either contact or immersion technique. Office measurement of AL can be difficult in young children and infants and must often be done under anesthesia in an eye that is unable to cooperate with precise fixation and centration. Contact A-scan measurements yield shorter AL, on average, than immersion A-scan measurements in pediatric e...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1991
ISSN: 0007-1161
DOI: 10.1136/bjo.75.3.191