Can I get these in the UK?

Here are some items I’d like to find out if I can get in the UK.

Description	Example	Available?
Spray can, sterile saline solution for contact lenses	http://www.drugstore.com/simply-saline-sterile-saline-solution-for-soft-contact-lenses/qxp12196?catid=60007	Not a spray, but should be OK: http://www.asda-contactlenses.co.uk/asda-saline-solution-bottle/ (There are other brands as well.)
Saccharin-based artificial sweetener	Sweet ‘n Low	Tablets, yes. Not sure about powdered form.