In order to fly as a Light Sport Pilot you must hold
a valid, unrestricted driver's license. However in
all states you can lose your driving privileges due
to medical reasons. So, in effect, you fail your Light
Sport medical.

California:

If you suffer from certain physical or mental conditions, the California DMV may try to restrict, suspend, or revoke your driver's license… on the grounds that the condition affects your ability to drive safely.

This is a common cause of driver's license suspensions for elderly drivers .. . . but can affect California drivers of all ages.

You may face a license suspension for a physical or mental condition that is commonly recognized as dangerous for drivers, such as
• Alzheimer's disease ,
• Dementia , or
• Epilepsy.

But medical condition license suspensions also affect people with health issues that have a less obvious effect on driving ability, such as
• Cataracts ,
• Macular degeneration , or
• Diabetes.

http://www.shouselaw.com/medical-conditions.html

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