Amazon offers the Gunnar Optiks Micron Computer Gaming Glasses in Tortoise/Amber for $30 with free shipping. That's the lowest price we could find by $5, and the best deal we've seen for any pair of Gunnar Optiks glasses. These glasses claim to reduce eye strain and help block the blue light emitted from electronic devices.

Update: Note that this item is temporarily out of stock, but can still be ordered at this price for delivery when available.