نتایج جستجو برای: asteroid hyalosis
تعداد نتایج: 3443 فیلتر نتایج به سال:
© 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...
A patient with retinitis pigmentosa showed visual disturbances following successful cataract surgery. He had a dense asteroid hyalosis in the eye before cataract surgery. After the surgery he noticed that his vision became worse. The visual disturbance was explained as being caused by the progression of retinal degeneration. Although the electroretinogram was non-recordable, the degeneration of...
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...
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...
PURPOSE Asteroid hyalosis is a condition in which white spherical particles (asteroid bodies) are suspended in the vitreous, usually in the dependent part of the vitreous. These particles seldom cause serious visual symptoms; however, their presence can be a source of irritation. It has been suggested, but not confirmed, that asteroid hyalosis may be associated with systemic diseases such as di...
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...
NASA’s asteroid redirect mission (ARM) will feature an encounter of the human-occupied Orion spacecraft with a portion of a nearEarth asteroid (NEA) previously placed in orbit about the Moon by a capture spacecraft. Applying a shuttle analog, we suggest that the Orion spacecraft should have a dominant local water exosphere, and that molecules from this exosphere can adsorb onto the NEA. The amo...
This study reports a case of calcific opacification on an implanted silicone intraocular lens (IOL) without asteroid hyalosis. A 72-year-old female was referred for blurred vision in her left eye. Her history showed she had undergone uneventful phacoemulsification with in the bag implantation of a silicone foldable hydrophobic IOL (CeeON 911A, Pharmacia Corporation) 39 months earlier. Under sli...
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