Figure 7.

Changes in axial length induced by watching movies that were either low-pass filtered (left) or defocused with a similar spatial frequency spectrum (right) in subjects with different refractive errors (myopic = filled symbols, and emmetropic = open symbols). Note that emmetropic subjects developed shorter eyes when watching movies with positive defocus, whereas myopic subjects developed longer eyes. Two subjects with higher myopia (gray and dark blue symbols) were poor responders. Each color denotes an individual subject, as in Figure 5.