The main reason to cause white spots on the eye contact lenses is that the sediments of proteins or the fat of jelly adhere to the surface of the eye contacts. You can use aquae hydrogenii dioxidi or professional care solution to wash the eye contacts. But never use alcohol or some other irritative liquids. Generally speaking, it is quite normal that the eye contacts will get white spots on their surface when the contacts have been worn for more or less three months. Also you can just take the contacts to the eye contacts shop to let professionals to wash them for you. Sometimes the white spots caused by proteins and minerals cannot be washed off, then you may need to replace your old contacts with a pair of new eye contacts. To slow down the speed of forming white spots on the eye contacts, you should first of all use care solution to clean the contacts every day, and store the contacts in clean container filled with fresh care solutions. Never use overnight care solution to store or clean the eye contacts. Secondly, you should change the contact lenses regularly, for example, if the eye contacts are for three months' use, then after three months, you should change for the new pair. Besides, pay attention that each time you should not wear the contacts for too long, usually not more than eight hours a day. Last but not least, when you are buying eye contacts, choose those made from silicone hydrogel which possesses good oxygen permeability.
