These are recommended paper towels that you can use for hand wiping before lens insertion to prevent eye irritation.
If you have eye irritation problems after contact lenses insertion. Often caused by a dust under the lens. The dust may from using normal paper toilet. Which is made of short and small fibre. So it can stick your hand easily. To solve this problem Dr. Bird recommended paper towel (like kitchen papers) that can be roll or pop-up.
The eye irritation problems that due to dust may irritate just one side or both sides (most often provoked one-side which afterwards inserted ). Will feel not irritated eyes after removing the lens from the eye. Less or disappeared of eye irritation when cleaning the lens and reinsert the lens.