Contents:
- Medical Video: Getting Rid of My Glasses! My Natural Eyesight Improvement Journey (See Description for Update)
- What are good quality sunglasses for eye health?
- 1. 100% UV Protection
- 2. Lens material
- 3. Color of the lens
- 4. Polarized and photo-chromatic lenses
- 5. Composition frame or eyeglass frame
- 6. Size match
Medical Video: Getting Rid of My Glasses! My Natural Eyesight Improvement Journey (See Description for Update)
Glare or sun exposure is often an obstacle when you drive or while doing activities outside the home.Sunglasses or sunglasses are accessories that you must wear to protect your eyes from harmful ultraviolet (UV) rays. Prolonged exposure to UV light can damage the eyes, both outside and inside the eye, which can cause cataracts and macular degeneration (located in the back of the retina).
The ophthalmologist recommends using sunglasses if you are exposed to sunlight for a long time. Kacamata the chosen one does not have to be expensive to protect your eyes, because the expensive price is not necessarily quality. The following are tips to help you choose sunglasses quality.
What are good quality sunglasses for eye health?
1. 100% UV Protection
To avoid UVA and UVB radiation, sunglasses You must have layers UV protection with 100% protection. Make sure the UV label is 400nm or 100% UV protection printed on sunglasses which you will choose.
2. Lens material
You can choose the lens material sunglasses according to your needs. There are 3 types of materials commonly used for lenses sunglasses, that is:
- Polycarbonate: a very thin, lightest, most powerful lens
- CR-39: made of plastic polymer, has an anti-scratch coating and is resistant to chemicals
- Glass: most scratch resistant without having to be given an additional layer, but is easily broken and heavier when used
3. Color of the lens
You are free to choose the color of the lens eyeglassesYou. Black lenses do not mean blocking UV light. When you wear a dark colored lens, the pupil will open more so that the light entering the eye is more. If eyeglasses You do not UV protection, You will let more UV light into your eyes.
4. Polarized and photo-chromatic lenses
Polarized lenses serve to reduce glare on the beach, water surface, paved roads, and other flat surfaces that reflect light. Meanwhile, the lens photo-chromatic will change the bright light to be dimmer when exposed to UV light. However, these lenses still cannot replace the function of UV protection.
5. Composition frame or eyeglass frame
Frame sunglasses often used are usually made of titanium, aluminum, plastic, and some other basic materials. Material from frame it affects weight sunglasses when worn.
6. Size match
Eyeglasseswho does not just rightor not according to its size when used can allow UV light to enter your eyes. Kblack acamata the right one can protect your eyes from UV rays, sand and dust. Style or model eyeglasses what you also choose of course must be the one you like and suitable for the shape of your face.
So, before buying sunglasses, You must pay attention to whether the lens is 100% UV protection (usually printed on the label), and choose the lens material and the color of the lens that suits your needs. Don't forget when you choose eyeglasses, You have to try to make sure the size, model and eyeglass frames it fits your face!
