نتایج جستجو برای: uncorrected refractive error
تعداد نتایج: 274032 فیلتر نتایج به سال:
PURPOSE To evaluate the visual and refractive outcomes, lens power calculation accuracy, and safety of negative power intraocular lenses (IOLs) implanted in highly myopic eyes at the time of cataract surgery. DESIGN Interventional case series. METHODS Sixteen consecutive highly myopic eyes implanted with IOLs from -1 D to -6 D were identified. IOL power; preoperative and postoperative best-...
School children are affected by various eye disorders like refractive errors, squint (strabismus), Vitamin A deficiency and eye infections. Eye diseases in childhood are important causes of medical consultation and it affects learning ability, adjustment in school and personality. Most children do not complain of defective vision, as they may not recognize such conditions as a problem. Uncorrec...
PURPOSE Low corneal hysteresis is associated with longer axial length in Chinese secondary school children. The authors sought to explore this association in primary school children. METHODS LogMAR presenting visual acuity, cycloplegic refractive error, ocular biometry, central corneal thickness (CCT), and corneal hysteresis (CH) was assessed for children in grades 1 to 3 at an academically c...
AIM To evaluate the visual function after bilateral implantation of aspheric diffractive multifocal Tecnis ZMA00, aspheric monofocal ZA9003 versus spherical monofocal Akreos Adapt intraocular lenses (IOLs). METHODS Tecnis ZMA00, Tecnis ZA9003 or Akreos Adapt IOLs were bilaterally implanted in 180 eyes from 90 patients. The following parameters were assessed 3 months postoperatively: monocular...
We report the first case of secondary implantation of implantable collamer lens (ICL) for correction of anisometropic hyperopia in a 3-year-old pseudophakic child. The ICL implantation was considered in our patient due to parental noncompliance for contact lens and spectacles use for one year. In terms of efficacy, the preoperative refractive error of +7.00-1.75 diopter (D) reduced to +1.00-1.7...
purpose : to determine the prevalence of refractive condition and its risk factors among students in mashhad . methods : a total of 2510 students representing a cross-sectional of the population of mashhad were sampled using random cluster sampling strategy. primary and middle school students underwent cycloplegic refraction. the refractive errors of high school students were measured using non...
PURPOSE To compare the clinical outcome of different multifocal intraocular lenses (IOLs) based on information reported in the international literature. METHODS All comparative clinical trials that involved implanting at least one multifocal IOL in patients with cataract or presbyopia were extracted from the literature. Clinical outcomes included uncorrected near visual acuity, uncorrected di...
a dosage of 50 mg/d for 3 days. There was no recurrence of epithelial ingrowth or diffuse lamellar keratitis. Culture results remained negative. All sutures were removed on postoperative day 11. The prednisolone was tapered, and the ofloxacin treatment was discontinued. At postoperative month 8, there was mild interface haze (Figure 3). In the affected eye, the uncorrected visual acuity was 20/...
BACKGROUND Prolong near work, especially among people with uncorrected refractive error is considered a potential source of visual symptoms. The present study aims to determine the visual symptoms and the association of those with refractive errors among Thangka artists. METHODS In a descriptive cross-sectional study, 242 (46.1%) participants of 525 thangka artists examined, with age ranged b...
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