There is no end to the complexities associated with correcting vision. Laurie Pierce recently spoke with Dr. Peter Shaw, who invented the Shaw lens, to address several of those complexities. Aniseikonia is an ocular disorder characterized by dissimilar ocular images received in the brain, and anisophoria is due to the difference in prismatic effect associated with unequal refractive powers in eyeglasses. Pierce shares what she learned from her interview with Dr. Shaw.