13.07.2015 Views

2010 BC Guide in Determining Fitness to Drive

2010 BC Guide in Determining Fitness to Drive

2010 BC Guide in Determining Fitness to Drive

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Re-assessmentguidel<strong>in</strong>es cont’dPolicy rationaleFor <strong>in</strong>dividuals with medical conditions that cause progressive visualfield loss, such as: ret<strong>in</strong>itis pigmen<strong>to</strong>sa diabetic ret<strong>in</strong>opathy vascular ret<strong>in</strong>opathy glaucoma, or bra<strong>in</strong> tumourOSMV will re-assess by issu<strong>in</strong>g an EVF every 1 <strong>to</strong> 3 years, depend<strong>in</strong>gupon the rate of progression and severity of the visual field loss.There is little research evidence regard<strong>in</strong>g the level of visual fieldrequired for driv<strong>in</strong>g fitness. The m<strong>in</strong>imum visual field requirement <strong>in</strong>the guidel<strong>in</strong>e is based on consensus medical op<strong>in</strong>ion <strong>in</strong> Canada.Because there is no def<strong>in</strong>itive level of visual field established fordriv<strong>in</strong>g fitness, those who do not meet the level of visual field required<strong>in</strong> the guidel<strong>in</strong>e may request an <strong>in</strong>dividual functional assessment.271

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