It's that the lenses possibly be about half water plus they also retain the water too.
Your doctor will select a treatment established the symptoms you describe and on special tear tests. At the end in the time, my back aches and my eyes feel gritty. http://www.Tomergabel.com/ct.ashx?url=https://www.opticaljournal.com/at-high-risk-for-developing-dry-eye-syndrome/