What is the definition of Nasty Vision Enhancing Techniques?

"Nasty vision enhancing techniques" is like the secret sauce for turning your eyes into a superhero's peepers, but with a side of questionable ethics and a dash of horror movie vibes. It's the fancy tricks, the gimmicks, or the gizmos that supposedly make our vision pop with brilliance, but often at the cost of our sanity and the well-being of bystanders.

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Here's a chilling example sentence: "The dermatologist's nasty vision enhancing techniques convinced my once vibrant eyes were now mere canaries in the coal mine, glowing ominously under the new laser treatments."