Basic tinted driving/safety glasses such as these, scroll down to the "Frequently Bought Together" section for some different style options.
https://smile.amazon.com/Carhartt-CH...8&s=hi&sr=1-22
I actual use these bi-focal versions, I use reading glasses and these help to see the bike computer better. I like this particular brand because the bi-focal lens is not very visible.
https://smile.amazon.com/Bifocal-Saf..._bap_d_rp_85_t