Sökning: "Asthenopia"

Hittade 4 avhandlingar innehållade ordet Asthenopia.

  1. 1. Asthenopia in schoolchildren

    Författare :Saber Abdi; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Asthenopia; prevalence; accommodative insufficiency; convergence; binocular disorders; refractive errors; Visual Analogue Scale; eye movements and reading;

    Sammanfattning : Asthenopia is a term used to describe different symptoms associated with the use of the eyes, such as pain, blurred vision, diplopia, headaches. Asthenopia is most often reported in association with near vision. Children with asthenopia complain of such symptoms particularly when reading and writing. LÄS MER

  2. 2. The impact of visually demanding near work on neck/shoulder discomfort and trapezius muscle activity : Laboratory studies

    Författare :Camilla Zetterberg; Hans O Richter; Mikael Forsman; Malin Josephson; Hanne Mari Schiøtz Thorud; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Accommodation; Asthenopia; Computer work; Eye-neck head stabilization; Muscle activity; Neck pain; Visual Attention; Visual demand; Visual ergonomics; Medicinsk vetenskap; Medical Science;

    Sammanfattning : Introduction: Musculoskeletal discomfort in the neck and shoulders is common among workers performing visually demanding near work, e.g., on a computer screen, and sustained low-level muscle activity during such work can lead to work-related pain. LÄS MER

  3. 3. Ocular accomodation. Studies of amplitude, insufficiency, and facility training in young school children

    Författare :Bertil Sterner; Göteborgs universitet; []
    Nyckelord :Accommodation; amplitude; children; dysfunction; facility; flip lens; insufficiency; ocular; sham treatment; subjective; training.;

    Sammanfattning : Aims: The purpose of this thesis was to establish the sufficiency of the ocular accommodation and to characterize accommodative problems and related symptoms among otherwise healthy young school children. The purpose was also to evaluate an accommodative facility training technique by studying the effect of the training on relative accommodation. LÄS MER

  4. 4. Accommodation : clinical and theoretical investigations

    Författare :Marika Wahlberg Ramsay; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Accommodative insufficiency;

    Sammanfattning : Background: Accommodative insufficiency (AI) is a relatively common visual anomaly in children and young adults with an estimated prevalence of about 5%. Patients with AI usually suffer from blur, headaches and asthenopia associated with near work. LÄS MER