This section provides information for the assessor on the clinical aspects of specific medical conditions and disabilities. Requirements of the specific condition should be taken into consideration when referring to the Guidelines for the ideal driver assessment. Vehicle adaptations which may be relevant to the medical condition are included in this section. Please refer to ‘Vehicle Adaptations’ for a comprehensive list of vehicle modifications and adaptations.
Please note that laws, rules and regulations regarding medical fitness to drive can vary from country to country. In addition to using this resource, people should always check with their local driving licence authority for relevant information and guidance on licensing for patients with specific medical conditions.
Dementia is defined as a decline in cognition that prevents the person carrying out their normal activities.
Parkinson’s disease is a progressive neurological condition that starts with cell death of a small area deep in the brain, the substantia nigra.
MS is an autoimmune disorder of the central nervous system (brain and spinal cord) that is characterised by demyelination (i.e., damage to the insulating sheathes of the nerves).
Huntington’s disease (HD) is an autosomal dominant neurodegenerative disorder, which is characterized by motor, cognitive and emotional-behavioural symptoms.
A stroke happens when the blood supply to part of the brain is cut off. A full definition can be read at This can be caused by either:
1.A blood clot, causing an ischaemic stroke. This is the most common type of stroke, accounting for 85% of all strokes
OR
2.A weakened blood vessels bleeding into the brain, a haemorrhagic stroke.
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