What is the definition of Acceptable Vision Enhancing Techniques?

"Acceptably vision enhancing techniques? Sounds like a diet plan for your eyes. But let's not forget, in this digital age, some of them might be more unsettling than eye drops. Picture this: 'The eye doctor suggested we swap our night vision goggles for a pair of smart glasses that can change the color of your eyes to match the mood of the room. 'hat's definitely acceptable vision enhancing, but you might want to double-check if the glasses are secretly programmed to turn your eyes into a neon sign for your cat's Instagram feed."