They provide them with the assurance that their spectacles will not slip down and fall, causing them to break, since getting spectacles online in Sri Lanka can be rather expensive. Even for those wearing sunglasses the anti-clip type if the best; who wants to spend a lot of money on replacing your old pair by buying new sunglasses online in Sri Lanka.
People who are new to wearing anti-slip glasses might find them annoying at first because they can feel tight around the temples or ears. However, once you get used to having something there it usually doesn't bother you anymore. They also help with light headiness caused by low blood pressure when standing for long periods of time. Anti-slip glasses don't have any negative side effects other than possible irritation which is why most people choose this type over others like compression stockings for example that do have some issues with skin disorders if worn too tightly or too often without taking breaks in between wear times.
Anti-slip glasses are the best solution and they won't make you look like a nerd like others might think because there are many styles available that anyone can choose from such as hipster cat eye, round lenses, thick framed or even clear versions. You can get any style of anti-slip spectacle frames in Sri Lanka. Once you have them on your eyes will be protected by both anti-glare coating and shatter proof protection so no matter what happens around you it is almost impossible for something to hurt your eyes and your glasses, while wearing these. So, if you're at risk of having a slip happen in certain areas then maybe it's time for an upgrade with some new cool looking anti-slip specs!