Sökning: "Full-field ERG"

Visar resultat 6 - 10 av 10 avhandlingar innehållade orden Full-field ERG.

  1. 6. Phenotypes and genotypes in families with hereditary tapetoretinal degenerations

    Författare :Vesna Ponjavic; Lund Oftalmologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; peripherin.; rhodopsin; cone-rod dystrophy; retinitis pigmentosa; choroideremia; central areolar choroidal dystrophy; mutation screening; full-field electroretinography; Phenotype; genotype; Ophtalmology; Oftalmologi;

    Sammanfattning : The purpose of the study was to characterise the phenotype with emphasis on electroretinography in four different types of hereditary retinal degeneration and to correlate it to a genotype when possible. Two methods were used: full-field electroretinography for objective assessment of retinal function and mutation screening of blood samples for detection of gene alterations. LÄS MER

  3. 7. Ocular function and morphology in humans and rabbits exposed to vigabatrin medication

    Författare :Ulrika Kjellström; Lund Oftalmologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; vimentin; PKC-alpha; visual field defects; optical coherence tomography; full-field electroretinography; GABA; vigabatrin;

    Sammanfattning : Vigabatrin is an antiepileptic drug that is known to cause visual field defects and retinal dysfunction measured by full-field electroretinography (ff-ERG). Underlying mechanisms have not yet been elucidated. LÄS MER

  4. 8. Retinal function in deaf-blind syndromes

    Författare :Eva Malm; Lund Oftalmologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; general anesthesia.; molecular genetics; hearing impairment; full-field electroretinography; Retinal degeneration;

    Sammanfattning : A variety of disorders can cause retinal degeneration and hearing impairment, and it is of great value to have an early diagnosis since there is a large variation in phenotype and prognosis both within and between the different disorders. The general aim of this thesis was to characterize the retinal function, to describe the phenotype, and – where appropriate – to relate the phenotype to genotype in patients with combined visual and hearing impairment. LÄS MER

  5. 9. Central retinal vein occlusion: Cetrain risk factors, electroretinography and an experimental treatment model

    Författare :Jörgen Larsson; Lund Oftalmologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; flicker; ERG; electroretinography; fluorescein angiography; rubeosis; CRVO; central retianl vein occlusion; ultrasound; streptokinase; experimental; Ophtalmology; Oftalmologi;

    Sammanfattning : The presence of activated protein C resistance, plasma hyperhomocysteinemia and the MTHFR C677T mutation in patients with central retinal vein occlusion were investigated and compared to a control group. Activated protein C resistance was overrepresented in the group of patients less than 50 years of age whereas this was not the case in patients more than 50 years of age. LÄS MER

  7. 10. Retinal Vein Occlusion A clinical study of electrophysiology, certain prognostic factors and treatment

    Författare :Charlotte Lindberg; Lund Oftalmologi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Ophtalmology; Oftalmologi; multifocal electroretinography vitrectomy; electroretinography; factor V Leiden; retinal vein occlusion; prognostic factors;

    Sammanfattning : The influence of the factor V Leiden mutation on the development of neovascular complications in central retinal vein occlusion was studied. The presence of the mutation was found to enhance the risk of developing neovascular complications almost threefold compared to in patients without the mutation. LÄS MER