discriminatory? This article says so.

Such regulations have come under attack as being discriminatory, since they eliminate the opportunity for hunters who can’t see open sights well enough to achieve proper shot placement and participate in special muzzleloader seasons,” said Toby Bridges, president of the North American Muzzleloader Hunting Association. “To use a scope, other states make hunters jump through hoops by undergoing a medical examination, at their own expense, and applying for an exemption.”