نتایج جستجو برای: corrected visual acuity
تعداد نتایج: 405684 فیلتر نتایج به سال:
OBJECTIVE We retrospectively analyzed the visual results and postoperative complications associated with severely traumatized eyes in which aphakia was corrected with epikeratophakia or a sutured iris prosthesis/intraocular lens (IOL). METHODS Fourteen eyes (14 patients) with traumatic aphakia and severe anterior segment complications were corrected either with epikeratophakia or a sutured ir...
AIM To offer a critique of current methods of defining amblyopia treatment outcome and to examine alternative approaches. METHOD Literature appraisal and descriptive case presentations. RESULTS Currently, the outcome of amblyopia treatment is expressed as the number of acuity chart lines gained or, alternatively, achievement of an arbitrarily adopted level of visual acuity. As binocular vis...
People with age-related macular disease frequently experience reading difficulty that could be attributed to poor acuity, elevated crowding or unstable fixation associated with peripheral visual field dependence. We examine how the size, location, spacing and instability of retinal images affect the visibility of letters and words at different eccentricities. Fixation instability was simulated ...
We report a case of complicated cataract aggravated after taking herbal medication for atopic dermatitis. An 11-yr-old boy was referred for the evaluation of decreased visual acuity in both eyes for 2 months. Past history showed that he had been diagnosed with atopic dermatitis when he was 1 yr old. He had been treated only with herbal medication for a period of 8 months prior to visiting our c...
Purpose. To assess near visual acuity in a presbyopic age group following hyperopic photorefractive keratectomy (PRK). Setting. Private practice in Siena, Italy. Methods. In this retrospective single-surgeon comparative study, PRK with mitomycin C was performed to correct hyperopia using Bausch & Lomb 217z laser for 120 eyes of 60 patients in the presbyopic age group (mean spherical equivalent ...
Purpose: This study set out to examine the impact of surgical treatment senile cataract on visual acuity and quality life in patients operated a public teaching hospital. Methods: Prospective including aged over 60 years with clinical indications for surgery treated at medical residency service. The National Eye Institute Visual Function Questionnaire 25 was applied. Corrected distance measured...
ocular trauma is an important cause of ocular morbidity in children. at present only limited studies regarding distribution of ocular trauma exist in iran. this study was performed to define epidemiologic characteristics and clinical profile of ocular trauma in children and to discuss management and final outcomes of such injuries. the files of 60 patients aged 16 years or younger who had been ...
photorefractive keratectomy (prk) is a safe and effective surgical keratorefractive technique which is done with the application of mitomycin-c (mmc) in cases of high myopia to prevent the formation of corneal haze this study was conducted to evaluate 3-year visual acuity and quality outcomes of prk-mmc in high myopia. this before-after study was conducted on 20 individuals (40 eyes) with myopi...
PURPOSE To estimate the impact of visual impairment in older Australians on the use of community support services. METHODS In the Blue Mountains Eye Study, 3654 people aged 49 or older were examined- 82.4% of eligible residents in an area west of Sydney, Australia. Presenting and best-corrected visual acuities were measured using a LogMAR chart. Subjects were categorized as having visual impa...
OBJECTIVE To evaluate the quality of vision (visual acuity and straylight) in patients with Fuchs dystrophy and the improvement in visual quality after Descemet stripping endothelial keratoplasty (DSEK). METHODS There was an observational case series (Amsterdam group) and a prospective interventional case series (Mayo group). Corrected distance visual acuity (CDVA), straylight, and corneal th...
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