Coupons.com has a coupon good for $2 off Visine and both Target and Walmart have the trial size for just $1.99, making this deal FREE! Both stores also typically have the full-size bottles for about $4, so you can also pick-up a full size bottle for around $2 after coupon!
Head over and print your coupon now! To find this coupon faster, click on “Personal Care” located on the left hand sidebar at Coupons.com. Use your browsers back button and you should be able to print this coupon twice.