VibrantVue
VibrantVue is a preservative-free unbuffered saline (0.9% sodium chloride solution). It is packaged in 5mL vials and sold in a box of 100 vials. It has a low pH (between 5.1 and 5.6) according to the packaging.
Lacripure
Lacripure is an unbuffered preservative-free saline (0.9% sodium chloride solution) packaged in 5mL vials. It comes in a box of 98 vials. For people who need very little saline per session, it can last up to 3 months.
As an unbuffered saline, Lacripure is slightly acidic, though its pH seems to be significantly higher than the inhalation solution which are sometimes recommended for use with scleral lenses for cost savings.