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dk00111 t1_jctljkh wrote

Neither real tears or artificial tears are just saltwater.


Sonyguyus t1_jctlmno wrote

Maybe there’s more to it but bacteria shouldn’t be able to live in saltwater


dk00111 t1_jctmqi9 wrote

I don’t think the salt concentration is high enough to suppress bacterial growth.

There are 5% hypertonic saline eye drops that are different than artificial tears, but even those have preservatives added.


phoenixgsu t1_jdk7wgw wrote

Lots of bacteria are salt tolerant, and saline water has hardly any salt in it to begin with. Further, pseudomonas spp are a know human pathogen, company should have caught it in sterility testing but of course these companies in cut corners and falsify records.