In Winter, What Glasses Should You Wear In Different Weather？
When it comes to what glasses to wear when you go out in the summer, sunglasses are sure to be mentioned, but what about winter?I think most people don't know what glasses to wear in winter.
Eyes are very important to us.In fact, the eyes are also afraid of cold.If you catch a cold in the eyes, all kinds of eye diseases will come to you.So it is recommended that people wear a pair of glasses when they go out.
Now Let me tell you what glasses to wear in different weather when you go out.
1. You should wear goggles when going out in the winter
Because of the cold stimulation is more sensitive, when the eye is stimulated by cold air, lacrimal gland secretion function is enhanced, more tears will be secreted.At the same time, lacrimal canaliculi encounter cold wind stimulation, spastic contraction of the sphincter of the eye, too much tears cannot be discharged, there is a tearing phenomenon.Therefore, the old people who cry in the wind go out in winter, especially in windy weather, should wear anti-wind glasses, can effectively avoid direct wind and stimulation, reduce the occurrence of windward tears, and can prevent foreign bodies fall into the eye.
2. Wear Sunglasses on sunny days
The uv radiation in winter is only about 20% weaker than that in summer. Oblique light in winter is more likely to enter the unprotected eye and cause UV damage than direct light in summer.When you go out on a sunny day, you must wear sunglasses with uv filters.
3. Wear ski goggles for snow viewing
White snow to absorb the ultraviolet ray in sunshine is little and strong reflection, when strong ultraviolet ray shot eyes, allochromatic, happens after 6 ~ 8 hours of incubation period, the eyes will have severe photophobia, tears, foreign body sensation, even hard to open, have intense burning sensation, and severe pain, medicine called snow blindness.
Finally must remind, winter cold stimulates to be able to make sympathetic nerve excited, inside short time intraocular pressure rises sharply, glaucoma patient can appear suddenly have a headache, eye bilge is painful, eyesight drops, companion has the symptom such as nausea, vomiting at the same time.In addition, wearing sunglasses will cause pupils to dilate because of less light.Accordingly, close Angle glaucoma patient should not wear sunglasses or coloured glasses at ordinary times.Keeping warm is the first step to avoiding the recurrence of acute glaucoma in winter.People with glaucoma are advised to go out less in winter. If you need to go out, you must keep warm around your head and eyes and shorten the time you spend outside.
