Yes you can use NORMAL SALINE (sterile solution) in your eyes. So use drops or eye washes that are made for eyes or BSS (balanced salt solution) if available. You can use Normal Saline in an emergency if the only other option is tap water.
Can you use Opti Free contact solution as eye drops?
You can use Opti-Free Replenish rewetting drops whenever you feel discomfort, or you can use them four times a day to prevent protein buildup. Just put two to four drops in each eye and blink after applying the eye drops.
Can you use contact solution for slime?
If you have to use white glue but want rich colors like this red slime, you will need a lot more food coloring! Baking soda helps to firm the slime. The saline solution is the slime activator and helps the slime to get it's rubbery texture! You really have to give this slime a fast stir to activate the mixture.