Wearing contact lenses for vision correction has now become fairly widespread, but some people also wear lenses purely for aesthetic and novelty reasons. Costume contact lenses can even help generate some of the amazing effects you see on the big screen at the movies. Colored contact lenses entire...
If the user is wearing lenses (and usually doesn’t) or vice versa In such situations, the authentication method needs to be changed to grant authorized user access, which can be inconvenient. 2. Expensive on the Pocket While the system is reliable and handy, the cost is not easy on the...
According to ‘Christopher Gorse’, ‘David Johnston’ and ‘Martin Pritchard’ (Author of Oxford Dictionary of Construction, Surveying & Civil Engineering), Abrasion means wearing away of one material against another by friction. The glass is excellent abrasion resistant material so it will resist ...