Roberta McIlraith

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PURPOSE To evaluate the comparative orientation characteristics of currently available silicone hydrogel torics. METHODS The re-orientation characteristics of four toric lenses were assessed: three prism-ballasted (PB) designs, Purevision Toric (PVT), Air Optix Toric (AOT), Proclear Toric (PCT), and an "Accelerated Stabilization Design" (ASD) ACUVUE(More)
PURPOSE To evaluate and compare the effect of gravity and gaze direction on toric lens orientation and visual acuity (VA). METHOD This was a 14 subject, randomised, unmasked, non-dispensing study, relating to the effect of gaze direction and posture on toric lens orientation and VA. Four lens types were assessed: Acuvue Oasys for Astigmatism (AOfA),(More)
BACKGROUND As vision plays a significant role in mobility performance, it is usual to refer low vision patients, particularly those who complain of mobility difficulties, for orientation and mobility (O&M) training to help them maintain safe independent travel. Our study aimed to determine whether there was a relationship between measures of vision and(More)
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