How To Choose Sunglasses In Summer?
Summer UV is strong, not only harm the skin, but also affect eye health, speed up the aging of the eyes, so when you go out in summer, you must wear sunglasses to block the strong light, reduce the irritation and damage to the eyes, how to choose sunglasses.
1.Choose A Good Lens Color
The lens color of sunglasses is preferred to choose grayish green or gray, which can evenly reduce the chromaticity of various colors in the light and retain the primary color of the video. The surface temperature of the lens should not be too large, otherwise it will be tightly attached to the face, and it is easy to get dizzy or fogging the lens.
2.Choose Regular Manufacturers
You must choose sunglasses produced by regular manufacturers to see if there are scratches, impurities and bubbles on the surface of the sunglasses. However, in the strong sunlight outdoors, try to choose dark colored lenses, and choose light colored lenses when driving, such as dark gray, dark brown or brown.
3. The Lens Should Be Flat
Hold the sunglasses up to the fluorescent light in your hand and let the mirror strip roll gently. If the mirror reflection of the sunlight lamp shadow appears distorted or wavy, it indicates that the lens is uneven, and such lenses will cause damage to the eyes.
Who Doesn't Wear Sunglasses In Summer?
1. Patients With Glaucoma
Patients with glaucoma should not wear sunglasses in the summer, especially for angle-closure glaucoma. If you wear sunglasses, it will reduce the visible light in the eye, the pupil will naturally enlarge, the iris root will thicken, making the Angle narrow or closed, aggravate the aqueous humor circulation disorder, resulting in increased intraocular pressure. This can affect vision, narrow the field of vision, easy to cause acute glaucoma attacks, leaving patients with red eyes and pain accompanied by vision loss, nausea and vomiting and headache.
2. Children Under 6 Years Old
The visual function of children under 6 years old has not been fully developed, and the visual function has not developed to a normal level. Often wear sunglasses, dark environment vision may make retinal imaging blurred, affect the child's visual development, and even lead to amblyopia.
3. Patients With Color Blindness
Most patients with color blindness lack the ability to distinguish a variety of colors, and the ability to distinguish colors after wearing sunglasses is bound to decline, affecting vision, and even leading to decreased vision.
4. Patients With Night Blindness
Night blindness is generally caused by A lack of vitamin A in the body, and vision will be affected in dim light, but sunglasses will weaken the ability to filter light and cause vision loss.
Warm Reminder
According to their actual situation to see if they are suitable for wearing sunglasses, good quality sunglasses need two conditions, one is to prevent ultraviolet light, one is to block the strong light function. It is necessary to choose a regular eye hospital to wear sunglasses and choose sunglasses with anti-ultraviolet signs to avoid unnecessary injury.
