Can Blue Light Cause Vertigo?
Fri, Mar 11, 22 By : Koalaeye
Optometry for prescription glasses The key prerequisite for proper glasses is accurate optometry. In foreign countries, professional optometrists are generally required to be qualified to issue prescriptions for optometry. However, this is not very standardized in China. Many optometrists have only been trained for a short period of time and do not have the basic knowledge of ophthalmology. For some complex situations, they may not give a proper prescription for glasses. Therefore, optometry should choose a qualified institution. If you...

Optometry for prescription glasses

The key prerequisite for proper glasses is accurate optometry. In foreign countries, professional optometrists are generally required to be qualified to issue prescriptions for optometry. However, this is not very standardized in China. Many optometrists have only been trained for a short period of time and do not have the basic knowledge of ophthalmology. For some complex situations, they may not give a proper prescription for glasses. Therefore, optometry should choose a qualified institution. If you are adolescents, people with high myopia, people with anisometropia, etc., you may need to dilate your pupils for optometry. It is best to go to the optometry center of the hospital for optometry


How to buy contact lenses online?

Choose a standard retailer. Contact lenses belong to three types of medical device products, and the sale of contact lenses and their care solution belongs to medical behavior. No matter it is an optical shop or contact lens e-commerce website, it must have a Medical Device Trading Permit before it can be sold. The trend of buying contact lenses online is obvious, and there are a lot of websites of individuals and contact lenses that do not have business licenses. Therefore when the user buys a contact lens on the net, be sure to look for management qualification of Medical Device Trading Permit, guard against being cheated.



Blue light blocking glasses to protect eye health

The protective effect of blue light blocking lenses requires professional equipment, such as spectrometers, to detect the transmittance in the blue wavelength band, and consumers cannot detect them on their own. For anti-blue glasses, if you consider buying, it is recommended that consumers choose to buy from a professional optical shop.

In the digital society, people are increasingly inseparable from electronic screens. In order to protect eye health, many people fall into the misunderstanding that anti-blue glasses must be worn for a long time. In this regard, wearing anti-blue glasses also needs to vary from person to person and from time to time. If you watch the screen for a short period of time every day, and there are intervals, pay attention to rest, you do not need to wear anti-blue glasses. For people who frequently and continuously perform high-intensity visual tasks, it is recommended to wear anti-blue light glasses due to the possible medium and long-term cumulative effect of blue light.

Consumers must distinguish the specific situation when buying blue light blocking glasses, and then choose the best blue light blocking glasses that suit them. The right choice of fashionable and suitable anti-blue glasses can give your eyes full relaxation and comprehensive protection!


AMMA RAY 003 anti-ultraviolet, strong, harmful blue light computer glasses

They can reduce digital eye strain caused by the harmful blue light emitted by digital screens. They help relieve visual fatigue and discomfort caused by long hours surfing the Internet, playing games, and working under fluorescent lights. These photosensitive glasses come with UV400 for protection and glare reduction. Ultra-light, with flexible TR90 nylon materials, the glasses are durable. The casual frame is designed to make you look professional and stylish while working or playing video games. The magnification/power of your computer reading glasses depends on how far away you are from the screen.



Orthokeratology lens

Orthokeratology lenses appeared in the United States in the 1960s and became mature in the 1980s. In 1996, Taiwan first imported the product, and it entered mainland China the following year. It is called OK lens for short because of its pronunciation. After OK lens entered China, it was immediately found by businessmen. A lot of institutions and individuals who do not have the relevant qualifications have flooded into the operation of the OK lens. On July 5, 2001, the State Food and Drug Administration formulated the Regulations on the Supervision and Administration of the Operation, Inspection and Matching of Orthokeratology Lens, which regulated the operating institutions and testing and matching institutions of Orthokeratology lenses. But in China, the rule did not change the course of events.


How polarized glasses can help you drive

The most important thing about polarized sunglasses is that they can be a good helper when you drive. When sunlight hits your eyes at an awkward angle, these sunglasses will save your life and save you from potential accidents. Polarized glasses can filter out the sunlight reflected from objects such as roads, snow, water, and other objects. It helps to neutralize the effects of reflected sunlight. Polarized sunglasses bring you an incredibly safe driving experience, with almost no interference and no harm to your eyes.

At night, glare and embarrassing lights are everywhere on the road, especially because random drivers come from the opposite side. Some of these driving high beams may disrupt your vision and cause potential accidents. Polarized sunglasses help reduce glare and save your life. Polarized lenses hardly reflect.



Why do spectacle frames rust?

Before solving this problem, we can first understand the causes of rust spots on the frames and skin allergies due to rust spots. Many alloy products in daily life contain nickel, and direct contact with the skin will cause allergies to sensitive people. The temples and nose pads are the parts that contact the skin with a large area, especially the outer surface of the metal frame and the interior of metal containing a large amount of nickel. Through contact with the skin and erosion of sweat, the appearance of rust spots and skin allergies are caused. Once allergy occurs, it will cause contact dermatitides such as redness, swelling, itching, and yellow water on the surrounding skin.

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