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A Study to Evaluate the Effectiveness of Critical Flicker Fusion in Distinguishing Different Causes of Altered Vision
Rochester, MN
The purpose of this study is to evaluate the effectiveness of the critical flicker fusion device in distinguishing different kinds of optic neuropathy and visual perception.
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Early Detection of Glaucomatous Optic Neuropathy
Rochester, MN
The goal of this study is to determine if visual field assessment of the far periphery (60-4) and/or central visual field (10-2) enables earlier detection of glaucomatous optic neuropathy.
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Using Critical Flicker Fusion to Distinguish Causes of Vision Loss
Rochester, MN
The goal of this study is to evaluate the efficacy of the critical flicker fusion device in distinguishing different kinds of optic neuropathy.
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Performance of plusoptiX A09 Pediatric Autorefractor and Jaeb Visual Acuity Screener in Pediatric Vision Screening
Rochester, MN
The purpose of this study is to provide pilot data on the sensitivity and specificity of two screening instruments, the plusoptiX A09 and the Jaeb Visual Acuity Screener in detecting amblyopia, strabismus and refractive error in young children, using a full eye examination as the gold standard.
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A Study of Scheimpflug Analysis in Participants with Normal Corneas
Rochester, MN
The purpose of this study is to establish central and peripheral corneal thickness across a broad age range of subjects with normal corneas. Determine normal light scattering properties from the cornea. Establish trends in the curvature of the anterior and posterior surfaces of the cornea with age.
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Laboratory Analysis of Human Iris Mechanical Properties
Jacksonville, FL
The purpose of this study is to analyze human iris mechanical properties that change with age.
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New Tests for Assessing Visual Acuity and Ocular Alignment in Children
Rochester, MN
The current proposal is to develop new tests of visual acuity and ocular alignment using iPad technology.