It must be that everyone who has just started wearing contact lenses wants to know how to wear contact lenses. For the first time, it needs constant practice to wear contact lenses. So how can we distinguish the positive and negative sides of contact lenses?
The first step is to wash your hands clean with neutral detergent containing no emulsion and grease, then wipe it with a towel. This step is very important to clean up all bacteria and fiber residues.
The second step is to take out the lens and take out the lens with finger pulp or clean tweezers.
The third step is to distinguish the positive and negative sides, confirm that the edge radian of the lens is inward, and then observe carefully. Otherwise, if the lens is worn reversely, there will be a very uncomfortable feeling. In addition, when choosing to wear lenses, it's better to use the edge design with intelligent radian. The asymmetric design of lens edge can better distinguish the positive and negative sides. And this design can make the lens better combined with the eyeball, wearing will be more comfortable, suitable for beginners.
The fourth step is to wear the lens, look directly at the front position, and gently cover the index finger abdomen on the lens. At this time, please don't move your eyes disorderly. Many people who wear contact lenses for the first time can't wear them because their eyes move disorderly.
Mastering the above steps of how to wear contact lenses will make it easier and more convenient to wear contact lenses. If you just wear glasses, you don't know how to distinguish the positive and negative sides. You can distinguish them according to the radian of the lens, so that the positive and negative sides are clear at a glance.