Because if you use real water it will burn your eyes and contacts wont.
yes
Saline solution.
saline
no
Yes if you are getting the ones that can be worn for two weeks
You should only use commercially prepared sterile saline solution with contacts. Anything else risks permanent damage to your eyes.
Yes it can. That is all that most eye washes/drops are; salt water (with some preservative added in). You can even make your own if you have distilled water and salt. Make sure to use distilled water because water carries contaminants very well. And use what you make right away since your not adding a preservative.
No, 100% no, if anything increase humidity slightly
Sydney Ringer invented the saline solution.
Saline is a homogenous solution of salt in water.
saline solution is salted water with 0.85% of salt
Saline solution is a mixture of salt and water.
Cucumber shrink in saline solution, because the saline solution draws out the water from the cucumber causing it to shrink. -Jaralzila