For users of contact lenses, it allows lubrication and hydration of the lens, in order to facilitate its insertion and removal, and provides immediate comfort in use throughout the day. Hidrocil Filac can be used with contact lenses in place. Hidrocil Filac is an ophthalmic comfort solution suitable for users of all types of contact lenses. Hidrocil Filac relieves eye discomfort associated with external factors, such as: - mechanical stress, for example when using contact lenses and eye prostheses. - environmental stress, induced, for example, by wind, smoke, pollution, exposure to the sun or cold, air conditioning. - visual stress induced, for example, by the prolonged use of computers, tablets, television screens and mobile phones, microscopes or driving motor vehicles.