A company that provides prescriptions for glasses and contacts using online exams has filed a lawsuit challenging a South Carolina law banning the practice.
The lawsuit from Chicago-based Opternative calls the law "economic protectionism." Gov. Nikki Haley vetoed the measure but legislators overrode it.
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At least two other states have passed similar laws barring prescriptions based solely on a computerized eye test. Several other states have regulations that don't allow the practice.
Attorney Robert McNamara with the Virginia-based Institute for Justice says the lawsuit is the first to challenge such restrictions.
Opternative is suing the state Department of Labor, Licensing and Regulation, a Cabinet agency that reports to the Republican governor.