What is visine for contacts used for?

Tear replacement. Visine (blue label) can be used to supplement tear deficiency to allow contacts to be more comfortable. Do not use visine "gets the red out" as these can be more drying. There are many other possible tear replacement drops but discuss with your ophthalmologists if the lenses fit well and if that is the cause of your symptoms.
Lubrication drop. Use this product for dryness associated with your contacts, it will keep your ocular surface moist.