PURECON Contact Lens are safe for our eyes.There are some precautions which should be strictly followed while applying lenses otherwise it may also cause some severe accident with our eyes. Durability of these lenses is also good if handled with care . The best advantage it makes us spec free. These are easy to apply into eyes in just few steps it is to be placed directly on the surface of the eyes without smudging them. These lenses are preferable as it makes us feel comfortable for hours & are also affordable.