First, wash your hands clean.
Wash your hands with soap then rinse and dry your hands with a lint-free towel.
Second, hold your eyelids open.
Hold your eyelids open with a finger and look up.
Third, pull down the lens.
Hold the lower part of your eye open with a middle finger and pull down the lens with the other hand's index finger.
Finally, remove the lens.
Pinch the lens gently with your thumb and index finger to remove it from your eye. Make sure you don't touch your eye.