An exclusive Mother's Day Deal for our readers, EyeBuyDirect is taking 50% off women's frame gift vouchers. Choose from a $40 voucher for $20, a $60 voucher for $30, an $80 voucher for $40, and a $100 voucher for $50! This is the first discount we've seen of this kind from EyeBuyDirect, which sells prescription glasses from $7.95. Shipping starts at $5.95 or is free with $99. Note that there is a limit of only one voucher per order, and that each voucher can be used only once. There is no sales tax.