these glasses do not provide suitable protection against exposure to direct sunlight or solar eclipses; these glasses do not offer suitable protection against sources of artificial radiation; not suitable for use as eye protection against blows or impact; in the event of an impact, the glasses can break, causing injuries to the face and eyes; not suitable for driving at night or in poor visibility conditions. It is possible that particularly sensitive or allergic subjects may experience adverse reactions due to the contact with the materials of the glasses.