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Visibility Vol 7 Issue 2


Considerations for Prescribing Portable LED Lights for Low Vision


Considerations for prescribing LED reading lights are presented. Factors include stability, cost, illumination pattern and color. Decaying output can limit effectiveness. Pattern can reduce glare and variation with reading distance. Color may benefit certain individuals. Concepts of “cost of ownership” and “cost per lux” are introduced.

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Woman instructed on using IPad

The Effectiveness of the Apple iPad as a Reading Tool for Individuals with Low Vision

Aaron Johnson, PhD; Christina Nadon; Elliott Morrice; Julie-Andrée Marinier, OD MSc; Olga Overbury, PhD; Walter Wittich, PhD, FAAO, CLVT

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Elderly couple riding bikes

Exploring Participation in Individuals with Glaucoma

Heather Livengood, MS, OTR/L; Nancy Baker, ScD, MPH, OTR/L

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Elderly man being helped up steps

Using Remote Sighted Assistants to Identify the Location and Orientation of Visually Impaired Pedestrians

Paymon Rafian; Gordon E. Legge, PhD

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