To identify if your Costa lenses are glass or plastic, look for etching in the top corner. Glass lenses are marked as 580G, which means they are glass. Plastic lenses are marked as 580P, indicating they are polycarbonate. This step helps you accurately identify your lenses. Costa glass lenses offer superior clarity and scratch resistance. … Read more

To clean your lenses, hold your glasses by the frame’s sides. Grip firmly on the side opposite the lens. This technique prevents bending and damage. Use a microfiber cloth with gentle pressure for safe cleaning. Always keep your hands clean to avoid transferring smudges. Follow these best practices for proper lens care. Focus your cleaning … Read more

To grind glass lenses, use low thermal expansion glass and silicon carbide for rough grinding, starting with 180 grit. Use a spherometer and dial micrometer for precision. Move to finer grits. For polishing, traditional abrasives like Venetian rottenstone give the best results. Hand grinding requires control and light pressure. Essential tools include a lens grinding … Read more

To create amber glass, clean the piece thoroughly. Mix two tablespoons of Mod Podge with 8-10 drops of food coloring. Apply this mixture to the glass. Optionally, bake at 200°F for an hour to set. For amber lenses, use filters that block blue light glare to improve contrast and enhance sleep quality. If using spray … Read more

To remove yellowed antiglare from glasses lenses, use a hair dryer for heat application. This softens the coating. Gently rub the lenses with alcohol wipes to remove detached flakes. Clean any residue completely. This method is effective and widely used. Always test it on a small area first. Next, use the soft toothbrush to scrub … Read more

Choose thin lenses for online glasses by selecting a high lens index. A higher index provides thinner lenses. For instance, 1.61 lenses are thinner than 1.50 lenses. At Zenni, you can select your desired lens index during the checkout process to ensure maximum clarity and accuracy in your vision. When selecting thin lenses for online … Read more

To remove the brand label from metal glasses lenses, safely use acetone. Dip a cotton swab in acetone and gently rub it on the logo in a circular motion. The logo should lift off. Avoid acetone on the metal frame to prevent damage. Always ensure good ventilation when using acetone. If the label proves stubborn, … Read more

To remove super glue from glass lenses, use acetone or nail polish remover. Dab a small amount on a cotton swab and gently rub the area with a soft cloth. Work in a well-ventilated space and avoid scrubbing hard. Alternative methods include using vinegar or rubbing alcohol. Always exercise safety precautions during the removal process. … Read more

To remove super glue from the wood lenses of glasses, use acetone-based nail polish remover. Soak a Q-Tip or cotton ball with the remover. Press it on the glue to soften it. When the glue feels soft and clay-like, gently wipe it away with the cotton or a microfiber cloth. In cases where the glue … Read more

To remove super glue from eyeglass lenses, dampen the glue with warm water. Gently rub toothpaste on it using a soft cloth. For glass lenses only, use a cloth moistened with acetone or nail polish remover. Do not use acetone on plastic lenses to avoid damage. First, soak the lenses in warm, soapy water for … Read more