to reflect the evaluation to lens designing.SOLUTION: In a reference evaluation value calculation process, first visual content is visually observed by a plurality of subjects, and in this process, brain waves are measured and a reference evaluation value is calculated from the measurement results. ...
Wash your hands thoroughly to remove as much of the oil from your skin. Place a drop of liquid soap on the surface of the lens then use your finger to gently spread the soap all over the surface of your lenses. You do not have to work up a lather. The liquid soap will help you ...
Accidentally breaking your eyeglass lenses can be a real hassle, but there are simple ways to fix them at home. You can often mend minor cracks or scratches with clear nail polish or a DIY lens repair kit. These methods are usually effective for small issues and can help ...
Eyeglass repair kits such as our Feel Good Handy Kit are perfect for tightening screws on your glasses. If you find your glasses very quickly becoming loose again, you may need to replace the screws. See below for more tips on how to tighten glasses. Make minor adjustments Avoid making ...
Learning how to buy eyeglasses for your face shape isn't just about shape, but getting the right size for your face as well. If you've looked closely at the packaging (or sometimes the frame itself), eyeglass frames use three numbers to size. They represent the lens size, the bridge...
Eyeglass prescriptions from opticians typically show the strength of the corrective lenses you need in diopters.The focal length isn't the only important feature of a lens. Bigger lenses gather more light than smaller ones, so they make a brighter image. This is particularly important if you're...
The difference between an eyeglass prescription and a contact lens prescription is how close the lens is to your eyes. Glasses are worn a few millimeters from your eyes (maybe 12-14mm) and contacts are, of course, worn right on your eyes. ...
Damage Prevention and Eyeglass Care The best way to save money on new glasses is to prevent your current pair from breaking. Here are a few ways to keep your glasses in good condition: Keep your glasses in a hard protective case when not in use. ...
Eyeglass lenses are positioned at a distance from the eyes, while contacts rest directly on the eyes. That distance affects the lens power required for eyes to focus properly. In addition to the information in an eyeglass prescription, a contact lens prescription must specify the base (central)...
【ADJUSTABLE EYE CUPS FIT EYEGLASS WEARERS OR NOT】The binocs can be pull down the rubber eyepieces and more fit the glasses wearer, getting close to lens and see easily. The long eye relief combined with large eyepiece give you a comfortable viewing while wearing sunglasses or eye glasses....