R. G. Simpson

Learn More
BACKGROUND The purpose of this study was to evaluate surgically-induced astigmatism after spherical ablation in photorefractive keratectomy (PRK) and laser-assisted in situ keratomileusis (LASIK) for myopia with astigmatism < 1.00 D. METHODS The charts of patients undergoing spherical PRK or LASIK for the correction of myopia with minimal astigmatism of(More)
The anti-diabetic potential of polysaccharides extracted from members of the cucurbit family: A review Original Citation Simpson, Rachel and Morris, Gordon (2014) The anti-diabetic potential of polysaccharides extracted from members of the cucurbit family: A review. Users may access full items free of charge; copies of full text items generally can be(More)
PURPOSE A growing number of diabetic patients request laser in situ keratomileusis (LASIK) for elective vision correction each year. While the United States Food and Drug Administration considers diabetes a relative contraindication to LASIK surgery, there are several reports in the literature of LASIK being performed safely in this patient population. The(More)
  • M J Walker, Sanderson-Smith, M L Cole, Kirk, K Aziz, R K Kansal +17 others
  • 2008
2 Most invasive bacterial infections are caused by species that more commonly colonize the human host with minimal symptoms. Although phenotypic or genetic correlates underlying a bacterium's shift to enhanced virulence have been studied, the in vivo selection pressure governing such shifts are poorly understood. The globally disseminated M1T1 clone of(More)
This was a pilot study that assessed the process and outcome of an initiative whereby carers of patients with dementia were given a designed package of documentation to hold at home. The research involved 20 carers of patients with dementia having carer-held records at home for a 6-month period. The aims of the research were: to assess carers' satisfaction(More)
Data are presented to assess the use of the Koppitz scoring system for the Bender-Gestalt Test in a sample (N = 87) of behaviorally and emotionally disturbed adolescents. Results suggested that age was modestly related to Koppitz Developmental scores, an indication that visual-motor skills continue to develop beyond age 11. Scores were related to spatial(More)
College students often serve as participants in psychological research. The effects of three methods of recruiting subjects for laboratory tests of attention and memory were assessed in a series of studies. The performance of students who received monetary incentives and the performance of students who received course-credit incentives were compared with(More)
  • Raymond G Simpson, Dennis M Allen, Stacy A Sherman, Kimberly F Edwards, R G Simpson, D M Allen +11 others
  • 2015
Anybody who spends time around tidal waters and marshes is aware that fishes are abundant and important to both the ecology of coastal systems and the recreational and economic interests of our local communities. What most observers and fishermen do not realize is that the diversity of species and life styles of fishes in this region are very high and that(More)
This observational case report describes the development of bilateral Mooren-like ulcers in a patient with anesthetic keratopathy. A 42-year-old man with a recent history of minor eye trauma and pain self-treated with tetracaine eye drops presented with complaints of acutely worsening vision and severe pain bilaterally. His visual acuity at presentation was(More)