Lenses become almost entirely uniform and highly regulated, but authorities allow limited aesthetic expression around themes that support social cohesion. Customizable lens 'skins' that visually signal adherence to approved social norms. This is a 'fashion' trend that's subtly enforced, with socially desirable visual cues (e.g., displays of patriotism, environmental friendliness, or community service) being favored. Those who do not participate face subtle social repercussions.