What I mean by that is that they improve the way that we see things, (not clearly), but for example the contact lense could increase contrast and make objects and people appear to be visually more colorful and bright than a normal person would see. I know it is possible, but why don't they make something like this? Especially since we use Instagram filters to beautify our images, why not contact lenses?
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Why don't they make contact lenses with filters?