2010 BC Guide in Determining Fitness to Drive

21.12 Private drivers with a loss of stereoscopic depth perception ormonocularityApplicationThese guidelines apply to driver fitness determinations for privatedrivers who: lose stereoscopic depth perception, or become monocular.Assessment guidelines OSMV will not generally request further information.Fitness guidelinesOSMV determinationguidelinesConditionsRestrictionsRe-assessmentguidelinesPolicy rationaleIndividuals may drive if sufficient time (typically 1 to 3 months) haselapsed since their loss of stereoscopic depth perception to allow themto adjust and compensate for their change in vision.Individuals are fit to drive.No conditions are required.No restrictions are required.No re-assessment, other than routine age-related re-assessment, isrequired.Individuals with monocular vision can compensate for the loss ofstereoscopic depth perception by using visual cues such as the relativesize of objects and generally have adequate depth perception foreveryday activities such as driving. The Canadian OphthalmologicalSociety notes that a driver who has recently lost the sight of an eye orstereoscopic vision may require a few months to recover the ability tojudge distance accurately.274