Developing a modified Dynamic Gait Index for Wearers of Multifocal Lens Glasses
The R2D2 Center and the researcher are involved in a line of research that is exploring the effects of
multifocal lens eyeglasses (i.e., lined bifocals and trifocals, unlined progressives) on gait and increased
risk of falling for wearers. The objective of this study, based on previous research, is to develop a
modified, shortened version of the Dynamic Gait Index (DGI) that is specifically sensitive to the effects
multifocal lens glasses on gait for both new and experienced multifocal lens wearers. Subjects will be
tested in multple DGI conditions both with and without their glasses to determine if a specific set of
activities consistently differentiates between functional mobility with and without the multifocal lens
glasses. A within-subjects between-conditions mixed methods repeated-measures MANOVA will be
conducted to analyze the data.
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Tasks and responsibilities:
The student will be responsible for subject participation, including recruiting, contacting, and administering the
study protocol and collecting data. The student will also take part in the study preparations, such as submitting an
IRB, writing a protocol script, and set up of the necessary equipment. The student will also be involved in data
analysis.
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