Fog days to clean the lens

Recently, with the continuous haze days, there have been similar hot tips on the Internet. Can smog really wear contact lenses? The reporter interviewed an eye specialist and contact lens company yesterday and learned that, in fact, it was not so utterly magical on the Internet. The contact lens was mostly made of a soft lens with a large diameter, which could completely cover the cornea. The possibility of small particles entering the eye under the lens was small. Fog days wear contact lenses, pay attention to more cleaning lenses.
Business: Fog days do not wear contact lenses as far as fog and contact lenses are worn days, there are several online statements. One is that contact lenses act like a “vacuum cleaner” and absorb the fine particles and chemicals in the fog.
The other said that when the haze is low, the contact lens will increase the oxygen deficiency of the cornea and cause corneal damage. It is also said that after wearing contact lenses, the lens sliding on the cornea will bring fine particles and unknown substances in the haze between the lens and the eyeball, which may cause discomfort.
In response, yesterday, the reporter called several contact lens companies as consumers.
Bausch & Lomb customer service personnel said that the contact lens material is not so easy to absorb small particles of air, the main cause of discomfort related to eye habits. However, she still recommends wearing as little as possible when the weather is hazy and windy.
Haichang company's product line staff suggested that, in severe haze days, it is best to use daily disposable contact lenses because daily disposable type oxygen permeability is better. Particles and dust in the haze will be absorbed to the lens, but not to the eye, shortening the wear time, pay attention to cleaning on the line.
Experts: The lens covering the corneal particles into the possibility of small haze low pressure caused by corneal hypoxia? Xue Feng, a senior member of the International Association of Contact Lens Educators and an attending physician at the Department of Ophthalmology, Eye and Nose Throat Hospital of Fudan University, said yesterday that the supply of oxygen to the cornea does come from the air during the day. However, the haze does not change the oxygen content in the air. Low oxygen content can lead to insufficient corneal oxygen supply, mainly in the plateau and high mountains.
As for the fine particles in the haze, Xue Feng said that contact lenses are currently used mostly in soft lenses. The lenses are large in diameter and can completely cover the cornea. The activity is relatively small. The small particles in front of the lens are very unlikely to enter the eye. . However, if it is RGP (rigid high oxygen permeable lens), small diameter, large activity, large exchange of tears under the lens, there are many small particles in the air or tears, it will cause foreign body sensation, if necessary, remove and rinse before wearing.
Lu Hai, deputy director of ophthalmology at Beijing Tongren Hospital, said last night that, in theory, smog particulate matter may aggravate eye discomfort and effects. However, the current impact of smog on the cornea of ​​the eye is only a theory, and there is no special scientific research subject to verify. And recently there has been no impact on the wearing of contact lenses due to smog. "There has been no clinical increase."
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