The Well-Known Knowledge On Frame Glasses Along With Contact Lenses

Experts advise people who wear frame eyeglasses shouldn't throw away the old glasses while getting new ones. Working for a long time before computers will cause such discomforts of eyes as lacrimation, grittiness, blurred vision and even impaired vision.

At this time, people can put on the old glasses in order to prevent eyes from fatigue and injures because of excess adjustment. In general, the strength of old glasses is 1.25 diopter less than that of new ones. So it is most suitable to wear the original cheap glasses before computer. Eyes of normal people can adjust naturally. On principle, they needn't adjust to see the distant objects.

When objects move close to 5 meters, then there must be the adjustment of eyes in order to see them clearly. And the nearer the object approaches to you, the bigger adjustment protency is needed in order to see the nearby object more clearly. If people always look at things up close, then the adjustment of eyes will often be used. The lens, the case that cilliary muscles and suspensory ligament is under tension in a long time makes people easy to suffer tears, foreign body sensation and other discomforts. Therefore, to reduce the degree of the myopia eyeglass frames by 1.25 diopter will do great benefit to your eyes. The points for attention when wearing contact lens are as follows: Carefully read the instructions first, and strictly master the right way and requirements of putting on and off the contact lenses. No matter which kind of contact lenses you wear, you should put them off and clean and disinfect them according to the rules. It is better to sleep without lenses so that the cornea may have good breath naturally and we can lower the incidence of complications.

Taking out the lenses gently to avoid hurt of glasses and cornea. In case you have the discomforts such as eye ache, inability to stand light, lacrimation and hyperaemia, you should take them off immediately and put them in the contact case, and then you must see a doctor without delay, bringing the lens and contact lens with you for necessary examination, according to which the effective medication could be chosen. The lens that temporarily doesn't need to use should be disinfected and stored in a box with sterile saline solution or whole care fluid, in order to prevent contamination and dryness. In recent years, disposable contact lenses have appeared,they will be discarded after usage in order to reduce infection, but still need cleaning and disinfection in time. Under normal circumstances, the lenses can move0.5 ~ 1 mm in the corneal surface. This will not cause fluctuation and discomfort.