I am 72 years old and have started to have problems with dry eyes. It’ s not all the time, but at some point each day, my eyes will suddenly get very dry. It’ s even hard to blink.

Q: I am 72 years old and have started to have problems with dry eyes. It’s not all the time, but at some point each day, my ...

The product may be used to treat a condition that the American Academy of Ophthalmology says affects around 20 million ...