There's always the Mask of Sensory Aptitude if you're going for far-sight, or achieve the same thing on any kanohi with one of these telescopic lenses like we saw on the akaku and matatu (though they could be fitted onto any type of mask).

Another way to see far-off things would be a kakama (by going there and back quickly).

To fit Hura's character, you could go for a mask of healing, since he works in an apothecary, or a sanok or mask of psychometry because of his meticulous nature.