Eyes of Minute Seeing
Wondrous Item, uncommon · 2024 rules, SRD 5.2
These crystal lenses fit over the eyes. While wearing them, your vision improves significantly out to a range of 1 foot, granting you Darkvision within that range and Advantage on Intelligence (Investigation) checks made to examine something within that range.
Also in the 2014 rules (SRD 5.1).