1- Do not put on or take off your glasses with one hand. 2- Do not place the lenses upside down on a hard surface. 3- Do not carry them without a protective case in your bag or pocket to prevent crushing and deformation. 4- To protect against the corrosive and damaging effects of acidic skin secretions, wash them daily with clean water and then wipe them with a soft cloth.5- Keep them away from cosmetics, acetone, alcohol, and dusty environments.6- Do not leave them exposed to direct sunlight and heat on car windows, at the beach, or on sand and concrete.7- Do not use them in environments requiring protective eyewear, during sports activities, or in saunas.8- Never use your glasses if they have lost their properties. Blue Light Protection Glasses