Lens implant

[saskiad]

NBA issue, used for 1p and 2p imaging

this probably mirrors other implants, but with some additional details
lens type (probably an enum)
orientation - optional, probably anatomic relative
aspirate vs needle track - optional field

follow up with Mafalda and Crissy

[saskiad]

This is related to the grin lens for Vivek and Ines. Let's find out what else needs to be covered here.