Research Topics
| Jim SheedySummaryAffiliation: The Ohio State University Country: USA Publications
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Detail Information
Publications
Progressive addition lenses--measurements and ratingsJim Sheedy
The Ohio State University, College of Optometry, Columbus, Ohio 43210, USA
Optometry 77:23-39. 2006..The objective was to provide information about various PAL designs to enable eye care practitioners to select designs based on the particular viewing requirements of the patient...- Performance and comfort on near-eye computer displaysJames Sheedy
The Ohio State University, College of Optometry, Columbus 43210, USA
Optom Vis Sci 79:306-12. 2002..Very small high-resolution displays (SVGA, 800 x 600 pixels) worn near the eye and imaged to create a virtual image have potential as alternatives to traditional computer displays... - Visual effects of the luminance surrounding a computer displayJames E Sheedy
Visual Ergonomics Research Laboratory, The Ohio State University, College of Optometry, 320 West Tenth Avenue, Columbus, OH 43210, USA
Ergonomics 48:1114-28. 2005.... - Progressive powered lenses: the Minkwitz theoremJames E Sheedy
Center for Ophthalmic Optics Research, The Ohio State University College of Optometry, Columbus, Ohio 43210, USA
Optom Vis Sci 82:916-22. 2005..Our objective is to test how the Minkwitz theorem applies to the design of progressive addition lenses (PALs)... - Text legibility and the letter superiority effectJames E Sheedy
Ohio State University, College of Optometry, P O Box 182342, 320 W Tenth Ave, Columbus, OH 43218, USA
Hum Factors 47:797-815. 2005..Increased stroke width (bold) improved threshold legibility but only at the thinnest width tested. Potential applications of this research include optimization of font design for legibility and readability... - Correlation analysis of the optics of progressive addition lensesJames E Sheedy
The Ohio State University, College of Optometry, Columbus, Ohio 43218, USA
Optom Vis Sci 81:350-61. 2004..To investigate the relations between selected key optical parameters and the sizes of the clear viewing areas of progressive addition lenses (PALs)... - Evaluation of an automated subjective refractorJames Sheedy
The Ohio State University, College of Optometry, Columbus, Ohio 43218, USA
Optom Vis Sci 81:334-40. 2004..To test the validity and repeatability of an automated subjective refractor compared with subjective refraction performed by clinicians. Corrected visual acuity was used to compare the validity of each technique... - Eyelid squint response to asthenopia-inducing conditionsSowjanya Gowrisankaran
The Ohio State University College of Optometry, Columbus, Ohio 43210, USA
Optom Vis Sci 84:611-9. 2007..To study the orbicularis oculi muscle response to asthenopia-inducing conditions... - Objective measurements of lower-level visual stressNiru K Nahar
College of Optometry, The Ohio State University, Columbus, Ohio 43210, USA
Optom Vis Sci 84:620-9. 2007..To determine the sensitivity of the electromyography (EMG) response of the orbicularis oculi muscle to selected lower-level visually stressful conditions to establish the extent to which it can be used as a measure of visual discomfort... - Blink rate decreases with eyelid squintJames E Sheedy
The Ohio State University College of Optometry, Columbus, Ohio 43210, USA
Optom Vis Sci 82:905-11. 2005..This study investigates the effect of voluntary eyelid squint on blink activity and on electromyography (EMG) measures from the orbicularis oculi... - The optics of occupational progressive lensesJames E Sheedy
The Ohio State University College of Optometry, Columbus, Ohio 43210, USA
Optometry 76:432-41. 2005..Independent measurements of the optical characteristics of these lenses have not been reported previously... - Progressive addition lenses--matching the specific lens to patient needsJames E Sheedy
Vision Ergonomics Laboratory, USA
Optometry 75:83-102. 2004.... - Ultraviolet eye radiation: the problem and solutionsJames E Sheedy
College of Optometry, Ohio State University, Columbus, Ohio, USA
J Long Term Eff Med Implants 14:67-71. 2004..Some clear spectacles or contact lenses also provide good levels of UV protection. When selecting sunglasses, it is always helpful to consult your eye care specialist... - What are the visual benefits of eyelid squinting?James E Sheedy
The Ohio State University, College of Optometry, Columbus, OH 43218, USA
Optom Vis Sci 80:740-4. 2003..The purpose of this study was to measure the effect of eyelid squint on VA in the presence of refractive blur and on visual field sensitivity... - Is all asthenopia the same?James E Sheedy
The Ohio State University, College of Optometry, Columbus, OH 43218, USA
Optom Vis Sci 80:732-9. 2003..Any of several conditions can cause asthenopia. The purpose of this study was to determine whether the particular sensations or their location vary dependent on the symptom-inducing condition... - The efficacy of computer glasses in reduction of computer worker symptomsSteve P Butzon
The Ohio State University, College of Optometry, Columbus 43218-2342, USA
Optometry 73:221-30. 2002..3% to the ESAT. Although the ESAT was judged effective, it was not as effective as the computer glasses. CONCLUSION: Computer glasses have been shown to be effective in reduction of vision-related symptoms of computer users... - Computer use, symptoms, and quality of lifeJohn R Hayes
The Ohio State University College of Optometry, Columbus, Ohio, USA
Optom Vis Sci 84:738-44. 2007..To model the effects of computer use on reported visual and physical symptoms and to measure the effects upon quality of life measures...