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Pàgina 1 des de 762 resultats
Prosthetic iris implantation for congenital, traumatic, or functional iris deficiencies.
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OBJECTIVE
To determine the efficacy and safety of surgical implantation of prosthetic iris devices in patients with anatomic or functional iris deficiencies.
METHODS
Cincinnati Eye Institute, Cincinnati, Ohio, USA.
METHODS
Twenty-five patients were enrolled in an interventional prospective
Iris reconstruction using artificial iris prosthesis for management of aniridia.
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OBJECTIVE
To discuss the limitations and benefits of the BrightOcular prosthetic artificial iris device in management of aniridia associated with aphakia or cataract.
METHODS
This is a retrospective study including 5 eyes of 4 patients who underwent implantation of the BrightOcular iris prosthesis
[On various types of iris crypts and their relation to the "physiological edema" of the iris stroma. A contribution to the morphology of iris structures].
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Corneal edema in essential iris atrophy.
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In a clinical study of the essential iris atrophies, corneal edema occurred in 49 of 90 patients, and a characteristic hammered-silver appearance of the posterior cornea was visible in 54 cases. Intraocular pressure in the eyes with corneal edema ranged from normal to extreme elevation with
The essential iris atrophies.
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We studied 82 cases of essential iris atrophy. The findings support some traditional concepts of this complex spectrum of disorders, but conflict with others. Corneal abnormality appeared early and may be the primary disorder. A corneal endothelial disturbance was present in 55% of cases and corneal
[Juvenile nevoxanthogranuloma of the iris].
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Juvenile Xanthogranuloma of the iris is a rare but benign disease of infants. The iris is swollen and of yellowish color, there are exsudates in the anterior chamber and occasionally spontaneous hyphema may occur. Secondary glaucoma with edema of the corneal epithelium and hydrophthalmus are often
Broken nylon iris fixation sutures.
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Broken nylon iris sutures, used to fixate the Worst suture lens, occurred in 41 of a series of 215 eyes, a remarkably high frequency. The estimated average time to break was 27.8 months. Over three fourths of the borken sutures were discovered incidentally on a return visit. Complications related to
The iris-plane (Copeland) pseudophakos.
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The iris-plane (Copeland) pseudophakos was evaluated in two 81-case surgical series. An early series consisted of the first 81 operations performed in the Miami community before a temporary moratorium on Oct 1, 1969. This series was compared with the first 81 operations performed after the
Methylene blue-related corneal edema and iris discoloration.
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We report the case of a 70-year-old female patient who developed corneal edema and iris discoloration following the inadvertent use of 1% methylene blue instead of 0.025% trypan blue to stain the anterior capsule during cataract phacoemulsification surgery. Copious irrigation was performed upon
Late iris abscess after cataract extraction.
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A 73-year-old woman underwent an uneventful intracapsular lens extraction. Two years later, an iris abscess, hypopyon, strong flare, corneal edema, and elevated intraocular pressure developed. Visual acuity diminished from 6/6 (20/20) with aphakic correction to hand movements. Gram-positive cocci
Iris transillumination defect and microhyphema syndrome.
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We present a previously undescribed delayed complication attributable to sulcus-fixated posterior chamber lenses with elliptical polypropylene haptics containing a 10 degrees anterior angulation. Clinical signs of this complication are crescent-shaped iris transillumination defects overlying the
Iris angiography in cystoid macular edema after cataract extraction.
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Iris angiography was performed on eight patients (nine eyes), who had cystoid macular edema postcataract extraction. The fundus fluorescein angiographies showed typical star-shaped, multiloculated staining of the macular area. The iris angiographies demonstrated moderate to massive leakage of dye
Iris aneurysm in feline hypertensive oculopathy.
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Subluxated lens: phacoemulsification with iris hooks.
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We describe a technique to manage subluxated cataracts with the use of 4 or 5 disposable nylon iris hooks placed on the capsulorhexis edge to support the lens and stabilize the capsular bag during phacoemulsification. The use of an endocapsular tension ring provides excellent centration of the
Progressive essential iris atrophy, Chandler's syndrome, and the iris nevus (Cogan-Reese) syndrome: a spectrum of disease.
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Progressive essential iris atrophy, Chandler's syndrome, and the iris nevus (Cogan-Reese) syndrome are considered to be variations of a single disease process, which is characterized by abnormalities of the cornea, anterior chamber angle, and iris. In each variation, the typical patient is a white
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