Search Results
Results 401 - 450 of 1528
< 4 5 6 7 8 9 10 11 12 13 14 >
Pak Samuel - - 2007
OBJECT: Baclofen pump infusion systems are used for the treatment of patients with severe spasticity. When symptoms do not respond to infusion rate increases, the cause may be pump malfunction or catheter obstruction. The purpose of this investigation was to review the authors' experience with indium-111 diethylene-triamine-pentaacetic acid (In-111 DTPA) ...
Baheux Kenji - - 2007
Hemispatial neglect is a cognitive disorder defined as a lack of attention for stimuli contra-lateral to the brain lesion. The assessment is traditionally done with basic pencil and paper tests and the rehabilitation programs are generally not well adapted. We propose a virtual reality system featuring an eye-tracking device for ...
Feucht Matthias - - 2007
BACKGROUND: For the diagnosis of NF 2, ocular findings like juvenile cataract, retinal and combined hamartomas of the retinal pigment epithelium and the retina as well as tumours of the optic nerve play an important role. An early diagnosis is essential in order to inhibit deafness from bilateral vestibular schwannoma. ...
Tseng Yu-Lung - - 2006
INTRODUCTION: Vigabatrin (VGB) is implicated to cause visual field defects. We estimated the prevalence, described the characteristics and investigated the risk factors of VGB-attributable visual field defects. METHODS: Patients with intractable partial epilepsy under VGB add-on treatment received static perimetric examinations. Visual field charts were reviewed and interpreted using a ...
Tous Horacio M - - 2006
INTRODUCTION: Previous studies have reported that the prevalence of retinitis pigmentosa (RP) varies between one per 3,000 to one in per 5,000 in the general population. PURPOSE: To study the incidence and ocular findings of RP in a sub-urban community in Puerto Rico. METHODS: We conducted a non-concurrent prospective study ...
Merle Harold - - 2007
PURPOSE: To describe the clinical features and natural history of the visual impairment of relapsing neuromyelitis optica. DESIGN: Prospective observational case series. PARTICIPANTS: Thirty patients of Afro-Caribbean origin with neuromyelitis optica and 47 patients with multiple sclerosis. METHODS: A complete ophthalmologic examination was performed with each ocular attack and during ...
Brockhurst Robert J - - 2007
PURPOSE: To determine the basis for unexplained visual acuity loss in selected patients. DESIGN: Observational study of patients with unexplained reduced visual acuity. METHODS: We used optical coherence tomography (OCT) to evaluate foveal structure in eight patients. These patients had corrected visual acuities of 20/25 to count fingers in one ...
Murgatroyd H - - 2006
AIMS: The purpose of the questionnaire was to explore attitudes of patients towards mydriasis for diabetic retinopathy screening. METHODS: Two groups of patients were invited to take part: group 1 comprised patients attending the diabetic clinic and had previous experience of mydriasis, group 2 patients attending the mobile screening unit ...
Pesudovs Konrad - - 2006
PURPOSE: To compare the visual and optical performance after penetrating keratoplasty (PK) for keratoconus to normal patients and to examine the relationship between corneal wavefront aberrations and visual performance in patients with PK. METHODS: Visual performance testing, with optimal refractive correction, included low contrast visual acuity (LCVA) and Pelli-Robson contrast ...
Smith M - - 2007
AIMS: To describe the phenotype of members of a large Caucasian British family affected by autosomal dominant cone-rod dystrophy due to an R838C mutation in the guanylate cyclase 2D (GUCY2D) gene encoding retinal guanylate cyclase-1 (RETGC-1). METHODS: Retrospective review of 29 patients from four generations of the same family. RESULTS: ...
Tanimoto Naoyuki - - 2006
PURPOSE: To present ocular findings in a patient who showed negative scotopic electroretinogram (ERG) and reduced ON response, but normal dark adaptation. CASE: An 18-year-old Japanese male patient who complained of severe asthenopia. His corrected visual acuities were 1.2 in both eyes. His fundi were normal. He had normal contrast ...
Redfern Mark S - - 2007
Postural sensitivity to moving visual environments in patients with anxiety disorders was studied. We hypothesized that patients with anxiety disorders would have greater sway in response to a moving visual environment compared to healthy adults, especially if they have space and motion discomfort (SMD). Twenty-one patients with generalized anxiety without ...
Chia Audrey - - 2006
OBJECTIVE: To assess visual function in patients with dengue maculopathy using electrophysiological tests. METHODS: Fifteen consecutive patients with dengue fever who experienced vision loss between July 2004 and July 2005 were included in this review. Full-field electroretinograms (ERG), pattern ERGs, and multifocal ERGs were performed. RESULTS: The most common electrophysiological ...
Chung Hyewon - - 2006
PURPOSE: To identify cystoid macular edema (CME) in patients with retinitis pigmentosa (RP) using optical coherence tomography (OCT) and to evaluate response to acetazolamide by serial OCT. METHODS: Twenty-nine consecutive RP patients were included in the study. Patients with CME were treated with acetazolamide (125 or 250 mg/d for 4-12 ...
Nixon Don R - - 2006
PURPOSE: To evaluate the pattern of lens epithelial cell (LEC) ingrowth behind the intraocular lens (IOL) optic in patients implanted with the AcrySof SA60AT one-piece IOL. DESIGN: Retrospective case series. METHODS: Patients implanted with the AcrySof SA60AT one-piece IOL with complete overlap of the capsulorrhexis and IOL optic and no ...
Pföhler Claudia - - 2006
Patients with melanoma may experience a variety of different vision symptoms, in part associated with melanoma-associated retinopathy. For several melanoma patients with or without melanoma-associated retinopathy, colour vision deficiencies, especially involving the tritan system, have been reported. The frequency of colour vision deficiencies in a larger cohort of melanoma patients ...
Espana E M - - 2007
OBJECTIVE: To report on 8 patients who developed prolonged mydriasis after argon laser peripheral iridoplasty (ALPI). DESIGN: Retrospective case series. METHODS: A review of the charts of 8 patients with persistent occludable angles after laser iridotomy who developed mydriasis after undergoing ALPI. RESULTS: 12 eyes of 8 patients (mean age ...
Farukhi Fahhad - - 2006
PURPOSE: To investigate the cause of vision loss in patients with ganglioside GM3 synthase deficiency, a newly described rare autosomal recessive infantile-onset symptomatic epilepsy syndrome associated with developmental stagnation and blindness. METHODS: We examined four children from two related Amish sibships. Molecular genetic analysis confirmed inheritance of the founder mutation. ...
El Annan J - - 2006
PURPOSE: To refine the phenotype of idiopathic macular hypoplasia, also referred to as ateliotic macula, by describing a series of cases with this diagnosis. METHODS: A review of the clinical characteristics of four patients as documented in medical records with regard to refractive error, visual acuity, anterior segment examination, retinal ...
Neveu Magella M - - 2006
This study compares pattern electroretinography (PERG) and multifocal electroretinography (mfERG) measures in 13 patients with predominantly classic choroidal neovascularisation (CNV) associated with age-related macular degeneration (ARMD, 9/13 unilateral, 4/13 bilateral), assesses the usefulness of each test in monitoring disease progression, and identifies electrophysiological predictors of outcome following treatment with photodynamic ...
Roth Daniel B - - 2006
PURPOSE: To assess patient perceptions concerning discomfort and changes in vision associated with intravitreal triamcinolone injections (IVTA). DESIGN: Prospective consecutive case series. METHODS: Fifty patients treated with IVTA between June 2003 and February 2005 were interviewed by telephone 10 to 12 weeks after injection. Each question was answered on a ...
Oréfice Juliana L JL Uveitis Section, Department of Ophthalmology, Federal University of Minas Gerais, Belo Horizonte, MG, - - 2006
To investigate optical coherence tomography (OCT) findings in patients with punctate retinal toxoplasmosis (PRT). Observational case series. Tertiary ophthalmic referral center. Four patients with PRT consecutively evaluated between July 2004 and June 2005. Clinical examination and OCT. Morphologic features at baseline and changes within a 24-week follow-up interval. Retinal layers ...
Church J - - 2007
PURPOSE: To describe a rare association of cytomegalovirus (CMV) retinitis. PATIENTS AND METHODS: Report of three patients with chronic lymphocytic leukaemia (CLL) who developed CMV retinitis. RESULTS: The diagnosis was established by the detection of CMV DNA by polymerase chain reaction analysis of aqueous and/or vitreous humour. CD4+ T-lymphocyte count ...
Roine Susanna - - 2006
OBJECTIVE: To determine the ophthalmologic findings, especially the nature of retinal vascular changes, and their clinical significance in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), a disease that causes migraine, recurrent strokes, and finally subcortical vascular dementia. DESIGN: Cross-sectional study. PARTICIPANTS: Thirty-eight CADASIL patients (19 to 61 ...
Stiebel-Kalish Hadas H Department of Ophthalmology, Rabin Medical Center, Petah Tiqva, Israel. - - 2006
To test the hypothesis that puberty is a risk factor for poorer visual outcome in idiopathic intracranial hypertension (IIH). Retrospective chart review case series. Tertiary referral center, neuro-ophthalmology unit. Ninety-six patients with IIH followed for a minimum of one year. Age (grouped into prepubertal, pubertal, teenage, or adult), obesity, initial ...
Itoh Daisuke - - 2006
OBJECTIVE: To visualize the corticospinal tract (CST) in patients with arteriovenous malformations (AVMs) by using diffusion tensor tractography (DTT) and to confirm the clinical reliability of DTT in patients with AVMs. METHODS: We performed DTT in 24 patients who had their AVMs near the CST. Tracts and AVMs were shown ...
Ben Simon Guy J - - 2006
BACKGROUND AND OBJECTIVE: To investigate the incidence and outcome of optic neuropathy associated with thyroid-related orbitopathy. PATIENTS AND METHODS: All patients diagnosed as having optic neuropathy associated with thyroid-related orbitopathy who underwent treatment for optic neuropathy between January 1, 1999, and March 1, 2003, were reviewed. Demographic and clinical data ...
Bird C M - - 2006
To investigate the characteristics and neuroanatomical correlates of visual neglect after right-sided posterior cerebral artery (PCA) infarction. 15 patients with acute PCA strokes were screened for the presence of neglect on a comprehensive battery of cognitive tests. Extra tests of visual perception were also carried out on six patients. To ...
Al-Karmi Rani - - 2006
BACKGROUND: To determine the benefits of image relocation (IR) with prisms in patients with age-related macular degeneration (AMD). METHODS: This was a retrospective comparative interventional case series of 100 patients with AMD and 5 years of available follow-up records. Participants underwent complete low vision (LV) assessments, including identification of preferred ...
Altan-Yaycioglu Rana - - 2006
PURPOSE: To investigate the additional benefit of indocyanine green angiography (ICGA) over fundus fluorescein angiography (FA) in patients with posterior uveal inflammation. METHODS: The features of 19 patients with different forms of posterior uveitis (Vogt-Koyanagi-Harada disease [n = 5], serpiginous choroiditis [n = 5], multifocal choroiditis [n = 5], and ...
Uysal Tan Funda - - 2006
BACKGROUND: The chronic nature of idiopathic intracranial hypertension (IIH) represents a risk factor for progressive optic nerve damage and structural abnormalities of the retina. AIM: We measured the retinal nerve fiber layer (RNFL) thickness in patients followed with the diagnosis of IIH who had no or mild visual impairment to ...
Wang Lu-Chun - - 2006
PURPOSE: To describe a case of optic neuritis secondary to Angiostrongylus cantonensis infection. METHOD: Case report of a patient with eosinophilic meningitis secondary to A. cantonensis infection. The patient developed a sudden decrease in visual acuity with a visual field defect and color vision loss in his left eye. Both ...
Bosch Martina M - - 2006
PURPOSE: To evaluate ophthalmologic findings and long-term course in patients with neurofibromatosis type 2 (NF2). DESIGN: Retrospective observational case series. METHODS: SETTING: Single-center institutional practice. STUDY POPULATION: Thirty referred patients with NF2 were enrolled from 1991 to 2003 and underwent at least one thorough neuroophthalmologic examination. Follow-up of 23 patients ...
Bonilha Leonardo - - 2006
PURPOSE: Many patients with focal cortical dysplasia (FCD) continue to have seizures after surgical treatment. The usual explanation for the poor surgical outcome is the presence of residual dysplastic tissue missed by the preoperative neuroimaging investigation and therefore not resected during surgery. We apply a voxel-based morphometry (VBM) analysis to ...
Yu Wai Man C Y - - 2006
To assess the visual function of patients with chronic progressive external ophthalmoplegia (CPEO) using the Visual Function Index (VF-14). To identify discriminatory questions that reflect visual disability in mitochondrial ocular myopathies. To investigate the relationship between visual impairment and the ocular parameters routinely measured in clinical practice. We studied 40 ...
Kim Mi Rang - - 2006
PURPOSE: We investigated the clinical characteristics and associated ocular and systemic anomalies in young children with congenital optic nerve abnormalities, and evaluated the therapeutic results of treatment for strabismus and amblyopia. METHODS: A retrospective study was conducted using the medical records of patients who were diagnosed with congenital optic nerve ...
Tsilou Ekaterini T - - 2006
PURPOSE: Cystinosis is a rare autosomal recessive lysosomal storage disorder characterized by the intracellular accumulation of cystine. Treatment involves intracellular cystine depletion with oral cysteamine. A wide spectrum of ocular pathologic features has been associated with nephropathic cystinosis. We used the largest documented cohort of patients in the world to ...
Hertle Richard W - - 2006
The purpose of this report is to summarize clinical and electrophysiological effects of extraocular muscle surgery in patients with INS. Our hypothesis is that surgery on the extraocular muscles of patients with INS changes their nystagmus resulting in improved vision and visual functions. All patients had all four virgin horizontal ...
Grover K M - - 2006
Visual evoked cortical magnetic field (VEF) waveforms were recorded from both hemifields in 21 patients with temporo-parieto-occipital mass lesions to identify preserved visual pathways. Fifteen patients had visual symptoms pre-operatively. Magnetoencephalographic (MEG) VEF responses were detected, using single equivalent current dipole (ECD), in 17/21 patients studied. Displaced or abnormal responses ...
MacLaren Robert E RE Moorfields Eye Hospital, City Road, London, UK. - - 2006
To report investigations in a case series of patients diagnosed with idiopathic multifocal choroiditis (MFC) in order to determine whether or not a new clinical phenotype could be identified and to determine the long-term visual prognosis. Twenty-eight patients were identified from the clinic database of approximately 1200 and subsequently reviewed. ...
Janáky Márta - - 2006
OBJECTIVE: Nonarteritic ischemic optic neuropathy (NAION) is one of the most frequent causes of sudden visual loss in middle-aged or elderly patients. Although several electrophysiological methods are available for an objective evaluation of the visual deficits, these are not generally used in the assessment of the clinical condition of NAION ...
Matsui Hideaki - - 2006
Pathophysiology of hallucinations in Parkinson's disease is poorly understood. This study investigated relationships between visual hallucinations and visual acuity. Twenty-six consecutive patients with Parkinson's disease participated in this study. Patients were divided into two groups: patients with visual hallucinations (VH group) and those without visual hallucinations (no-VH group). Unaided and ...
Ribeiro Monteiro Mário Luiz - - 2006
A 34-year-old obese woman developed blurred vision in both eyes soon after large-volume liposuction of the dorsum and gluteus region bilaterally associated with abdominal dermolipectomy. An ophthalmic examination revealed severe bilateral visual loss and pallid optic disc edema. The patient gave a history of transient obscurations of vision in the ...
Barthelmes Daniel - - 2006
PURPOSE: To quantify optical coherence tomography (OCT) images of the central retina in patients with blue-cone monochromatism (BCM) and achromatopsia (ACH) compared with healthy control individuals. METHODS: The study included 15 patients with ACH, 6 with BCM, and 20 control subjects. Diagnosis of BCM and ACH was established by visual ...
Jung J I Yong - - 2006
PURPOSE: To compare quantitative polarimetric measurements in eyes with NTG and HTG using GDx-VCC. Both groups were matched by age and glaucoma stage based on the Humphrey visual field test. METHODS: We retrospectively reviewed the records of 146 patients who underwent Humphrey field analysis (HFA) and GDx-VCC. We compared outcomes ...
Machida Shigeki - - 2006
PURPOSE: To determine whether myopia is more prevalent in Japanese patients with idiopathic focal subretinal neovascularization (IFSN) than in normal control subjects. METHODS: Forty-seven eyes of 46 patients with an initial diagnosis of IFSN and 291 eyes of 291 controls were studied. Refractive errors were measured with an autorefractometer, and ...
Chan David P L - - 2006
We report 13 cases of ophthalmic complications resulting from dengue infection in Singapore. We performed a retrospective analysis of a series of 13 patients with dengue fever who had visual impairment. Investigations included Humphrey automated visual field analyzer, Amsler charting, fundus fluorescein angiography, and optical coherence tomography. Twenty-two eyes of ...
Funatsu Hideharu - - 2006
PURPOSE: To investigate whether vitreous levels of vascular endothelial growth factor (VEGF) and pigment epithelium-derived factor (PEDF) are related to diabetic macular edema (DME). DESIGN: Retrospective case-control study. PARTICIPANTS: Thirty-six patients with DME, 6 diabetic patients without retinopathy, and 13 patients with nondiabetic ocular disease. METHODS: After vitreous fluid samples ...
Gränse, Lotta
This thesis will describe the clinical phenotypes, with emphasis on electrophysiology, in patients with different hereditary eye diseases and to further evaluate and modify the mfVEP technique for clinical use. Bothnia Dystrophy is a tapetoretinal disorder with a mutation in the RLBP1 gene. Early in the disease the fundus may ...
Tuan Kuang-Mon Ashley - - 2006
PURPOSE: To evaluate the accuracy of the diagnostic capabilities of optical metrics generated from wavefront measurements in relationship to post-laser-assisted in situ keratomileusis (LASIK) visual complaints as expressed and drawn by patients. DESIGN: Retrospective analysis and observational case series. METHODS: Patient wavefront data from an investigational device exemption study for ...
< 4 5 6 7 8 9 10 11 12 13 14 >