Brush or wash the debris from the lenses. Cleaning the lenses by using a stream of water is favored because this guarantees elimination of dirt and dust from the lens. Lack of success to complete this inital action will eventually result in lens abrations that are unremovable.

Work with a tiny quantity of liquid dish soap. 

Calmly apply soapy water on lenses to clean both sides.

Clean the lenses completely beneath a stream of water. Keep on cleaning the lenses. Stop when the water runs clear. Calmly shake unwanted water off the lens.

Dry the lenses with:

1.The cleaning cloth provided by the company that applied the coating.

2.High quality paper towels like Bounty brand(will not leave oily streaks like some cheaper towels).

3.The cleaning cloth provider by the sunglass manufacturer.