نتایج جستجو برای: soft contact lens
تعداد نتایج: 330343 فیلتر نتایج به سال:
To report on Achromobacter xylosoxidans keratitis in two healthy patients who had worn contact lenses foran extended period of time. A 36-year-old female and a 21-year-old female visited our hospital with ocular pain and blurred vision. Both patients had a history of wearing soft contact lenses for over fve years with occasional overnight wear. At the initial presentation, a slit lamp examinati...
PURPOSE Evaluate contact lenses fitting after intracorneal ring implantation for keratoconus, its visual acuity and comfort. METHODS Retrospective study of patients undergoing contact lenses fitting, after intracorneal ring for keratoconus. The criterion for contact lens fitting was unsatisfactory visual acuity with spectacle correction as referred by the patients. All patients were intoleran...
PURPOSE To psychophysically measure spherical and irregular aberrations in patients with various types of myopia correction. SETTING Laboratory of Experimental Ophthalmology, University of Groningen, Groningen, The Netherlands. METHODS Three groups of patients with low myopia correction (spectacles, soft contact lens, and Intacs) and 4 groups with high myopia correction (spectacles, rigid c...
This paper continues the assessment of the long-term merits and problems of intraocular acrylic lenses which was started by a consideration of the value of the Binkhorst iris clip lens in aphakia by Pearce (I972). The reduced degree of aniseikonia and the better opportunity for binocular vision when uniocular aphakia is corrected by an intraocular lens implant was emphasized by Girard, Friedman...
Nystagmus is a relatively common clinical condition that remains a therapeutic enigma. We present a case in which soft contact lenses were prescribed in a young adult with congenital jerk nystagmus. Immediate and large improvements in both motor and sensory function, as well as cosmesis, were found, with enhancement one week later following constant lens wear. Use of soft contact lenses in thes...
Within a few minutes of wear, contact lenses become rapidly coated with a variety of tear film components, including proteins, lipids, and mucins. Tears have a rich and complex composition, allowing a wide range of interactions and competitive processes, with the first event observed at the interface between a contact lens and tear fluid being protein adsorption. Protein adsorption on hydrogel ...
Customized contact lenses are limited in their correction performance, especially on irregular corneas, owing to decentration and rotation of the lenses. To overcome this limitation, we proposed to customize the back surface of soft contact lenses to match the anterior irregular corneal surface. These lenses were designed to correct anterior corneal aberrations and to improve lens stability. Al...
PURPOSE Contact lens-associated solution toxicity manifests as generalized, mild punctate epithelial fluorescein staining and usually is widely reported as asymptomatic, with no substantial clinical sequelae. This study examined the relationship between solution toxicity and corneal infiltrative events (CIEs) in soft contact lens daily wear. METHODS Several nonrandomized interventional clinic...
The 2005-2006 outbreak of Fusarium keratitis associated with soft hydrophilic contact lens wear was both unprecedented and unexpected. More than 250 cases have been reported worldwide that have primarily been associated with Bausch & Lomb ReNu with MoistureLoc and, more recently, with Bausch and Lomb ReNu MultiPlus multipurpose contact lens disinfecting solutions. This article documents the out...
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