 And Dr. Sam recommends the best optical materials, which cost less than you might expect. There are lots of other materials being sold at an upcharge that will not give you as good optics. And we do our best to keep the prices at a reasonable level so it won't be a deterrent for people getting their vision corrected. Want to see what you've been missing? Dr. Sam's Eye Care. 543-2020. 543-2020. Dr. Sam's Eye Care. Straight talk. Better vision.