Christine J Powell

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BACKGROUND Ocular dysmotility is a common feature of Graves' ophthalmopathy and frequently requires strabismus surgery. We reviewed the short-term results of strabismus surgery for Graves' ophthalmopathy to determine pre- and perioperative parameters predictive of postoperative outcome. METHODS A retrospective review of Graves' ophthalmopathy patients who(More)
BACKGROUND The purpose of this study was to investigate current patterns of management and outcomes of intermittent distance exotropia [X(T)] in the UK. METHODS This was an observational cohort study which recruited 460 children aged < 12 years with previously untreated X(T). Eligible subjects were enrolled from 26 UK hospital ophthalmology clinics(More)
To evaluate the PedsQLs performance in children with intermittent exotropia (X[T]) in terms of feasibility, internal consistency, floor–ceiling effects and levels of parent–child agreement. Children with X(T) aged <12 years were recruited from 26 UK Hospital Eye Clinics/Orthoptic Departments. QOL was assessed using child (n = 166) and proxy (n = 392)(More)
BACKGROUND Unilateral refractive amblyopia is a common cause of reduced visual acuity in childhood, but optimal treatment is not well defined. This review examined the treatment effect from spectacles and conventional occlusion. OBJECTIVES Evaluation of the evidence of the effectiveness of spectacles and or occlusion in the treatment of unilateral(More)
BACKGROUND Amblyopia is a reversible deficit of vision that has to be treated within the sensitive period for visual development. Screening programmes have been set up to detect this largely asymptomatic condition and refer children for treatment while an improvement in vision is still possible. The value of such programmes and the optimum protocol for(More)
BACKGROUND Stimulus deprivation amblyopia (SDA) develops due to an obstruction to the clear passage of light, preventing clear formation of an image on the retina for example, cataract, ptosis (droopy eyelid). It is particularly severe and can be resistant to treatment and the visual prognosis is often poor. Stimulus deprivation amblyopia is rare and(More)
PURPOSE To describe surgical outcomes in intermittent exotropia (X(T)), and to relate these to preoperative and surgical characteristics. METHODS 87 children (aged <11 years) underwent surgery in 18 UK centres; review data (mean 21 months post-surgery) were available for 72. The primary outcome measure was motor/sensory outcome (angle and stereoacuity).(More)
BACKGROUND This study presents self-reported traumatic brain injury (TBI) prevalence rates for 2,337 active duty U.S. Army soldiers who underwent baseline testing as part of a larger study of military TBI. METHODS A computerized self-report questionnaire was administered to a convenience sample of 2,337 highly functioning active-duty soldiers at Fort(More)
Occupational hazards have been known for centuries, but the creation of facilities capable of carrying out the testing necessary to assess these risks is a comparatively recent development. The Wisconsin State Laboratory of Hygiene (WSLH) created the Wisconsin Occupational Health Laboratory (WOHL) in 1937 to address this need. Since then, WOHL's range of(More)
BACKGROUND Refractive amblyopia is a common cause of reduced visual acuity in childhood, but optimal treatment is not well defined. This review examined the treatment effect from spectacles and conventional occlusion. OBJECTIVES Evaluation of the evidence of the effectiveness of spectacles, occlusion or both in the treatment of unilateral and bilateral(More)