Not at any CVS for sure.
No, expired contact lens can't be used. These are medical devices that must be sterilized and packaged in sealed containers before being sold to eye doctors and consumers. Since they touch the eye, they have the potential to harm the eye if they are contaminated. So packaged medical devices also have a expiry date as a consumer protection measure.
One US quart is 18,927 drops.
2,250 drops is 0.4755 US cups.
One US gallon equates to 75,708 drops.
1 quart (US) is 18,927 drops.
There are 20 metric drops to a ml. There are 1000 ml to a L This gives us 20000 drops to a L 1 US gallons = 3.785 liters 1 Imperial gallons = 4.546 liters 1 US gallons = 75708 metric drops 1 Imperial gallons = 90922 metric drops
Five US gallons equates to 378,540 drops.
140 drops equates to 1.4 US teaspoons.
1 gallon (US) is about 75,708 (75708.23568) drops.
100 drops = 0.16907 fluid ounce. (US)
0.32 fluid ounce (US) is about 189.3 drops.
90 drops equals about one (0.91298) US teaspoon.