[Sunglasses] What problems do you need to pay attention to when you buy Sunglasses in Sunglasses?

The strong sunlight contains a large amount of ultraviolet and infrared, which may damage the cornea, crystal, and even the bottom of the eyes. Wearing a pair of Sunglasses can cover or absorb a part of the light to reduce the stimulation of the eyes.In recent years, due to everyone's importance to health, many When people go out in the hot summer, they all like to wear Sunglasses to reduce the stimulus of sunlight. Some people also like to decorate it.Sunglasses There are many types of types, and they should be selected according to different needs.

What are the color of Sunglasses

Pink lens

This is a very common color.It can absorb 95%of ultraviolet rays, and some short wavelength visible light.In fact, such functions are similar to general color lenses. This means that pink lenses do not have a greater protection effect than ordinary lenses.But for some people, it is still quite psychological to help, because they feel more comfortable to wear.

Gray lens

Absorbing infrared rays and 98%ultraviolet rays.The biggest benefit of gray lens is that the original color of the scene is not changed due to the lens, and the biggest is satisfactory that it can effectively reduce the strength of the light.

Green lens

Green lenses can be said to be represented by the "Ray Peng series" lenses. Like gray lenses, it can effectively absorb infrared light and 99%of ultraviolet rays.But green lenses can make the color of some scenes distorted.Moreover, the effect of blocking light is slightly inferior to gray lenses. However, green is still not excellent protective lenses.

Brown lens

This kind of lens is similar to the type of light of light, but it absorbs more blue light than green lenses.Brown lenses cause color distortion than gray and green lenses, so the satisfaction of ordinary people is also lower.But it provides another color choice, and it can slightly reduce the halo of the blue light to make the image clearer.

Yellow lens

It can absorb 100%ultraviolet rays, and allows infrared rays and 83%visible light penetration lenses.The biggest feature of yellow lenses is that most of the blue light is absorbed.Because when the sunlight is too atmospheric, it is mainly expressed in blue light (which shows why the sky is blue).After the yellow lens absorbs the blue light, it can make the scenery of nature more clear. Therefore, yellow lenses are often used as a "filter", or hunters are used when hunting.However, no one can prove that the shooter is better because of wearing yellow glasses.

What problems need to pay attention to when buying Sunglasses

Medical experts suggest that when you buy Sunglasses, you can judge according to whether the vision is clear.To buy high -quality Sunglasses, the only thing that can do is to buy Sunglasses in optical specialty stores and regular glasses shops.

The human body has the instinct of self -protection. When the eyes encounter strong light, the pupils will naturally become smaller, making the ultraviolet energy of the eyes enter the eyes decrease. Once wearing glasses without ultraviolet function, it will enlarge the pupil.The glasses do not have the effect of isolation of ultraviolet rays. At this time, the eyes are equal to the portal opening, and letting ultraviolet rays enter, the damage to the eyes can be imagined.

Sunglasses can block ultraviolet rays because a special layer of coating film is added to the lens, and inferior Sunglasses not only cannot block ultraviolet rays, but also severely reduce the light transmission of the lens, make the pupils larger.Damage.In addition, inferior lenses also cause visual fatigue symptoms such as nausea, forgetfulness, insomnia.

The color of Sunglasses is superior, followed by light gray, tea, or light smoke, followed by green, amber, blue, etc. Red is used as a sunbathing or snow.

It is best to use polarized Sunglasses in a car because they can weaken the dazzling strong light.

If you can see your eyes very clearly after you put on Sunglasses, then your lens color is too light.

When the sun goes down the mountain, it is best to move to Sunglasses, otherwise, our vision will be affected in a weaker place.

You should choose a regular manufacturer to produce a Sunglasses in regular manufacturers at a regular glasses shop.

Pay attention to the surface of the lens when selecting.

Thin -faced people are suitable for round mirror frame Sunglasses.

Face -shaped mirror frame

Sunglasses are the focus of the entire face, which strongly outlines the outline of the face, just like a thick waist Belt highlighting the small waist of the skirt.What kind of face shape, what mirror -frame Sunglasses should we wear?The following is the suggestion of optometry Chen Huifen: MIU MIU ultra -thick plastic Sunglasses play black and white, and the feet design is clear.

1. Ellipse face shape: with Square, or smaller positive rectangular frame Sunglasses.This face is the most pleased, suitable for any kind of frame.

2. Round face shape: Sunglasses with larger lenses, the best frame with rectangular frames, outlines outline.

3. Face shape: with a round or elliptical frame, it is wide and light enough.

4. Mounthole face shape: with a piece of mirror frame.

1. The basic role of the Belt

First, pressurize.Apply a certain pressure on the muscles to regulate the balance of exercise.To a certain extent, strengthen muscle strength and reduce swelling.The muscles are stimulated during exercise, the metabolism is accelerated, and the amount of water in the muscle cells increases, which causes the cells to have a swelling feeling. Appropriate pressure appropriately can help the exercise easier and powerful.

Second, support.The harder waist custard can provide a certain support during the movement, hold the bending waist, reduce the strength of its muscles, and protect the waist of not sprained or sore.Some functional waist guards are attached to the back of the back of the waist, which can effectively provide greater support to avoid accidental damage. The rear of this waistband is generally higher.

Third, heat preservation.The softer and comfortable waist of the double or multi -layer material has a strong insulation function.Athletes often wear less in sports, while waist heat dissipation, easy to get cold, causing people to be sour, spasm or causing discomfort in the stomach.The waist protection of the insulation performance can effectively maintain the waist temperature, accelerate blood circulation, and prevent some discomfort in the cold and stomach.

Fourth, body shaping.Strengthen cell metabolism, burn fat, regulate looseness, and apply appropriate pressure to help lose weight.In the movement related to the waist, pressing the waist -absorbing waist -absorbing waist can speed up the decomposition of fat.

Second, the choice skills of the Belt

1, Is the protection purpose of the lumbar or hip? The former needs to buy high waist guards, and the latter needs to buy low waist guards.Patients with lumbar disc herniation need to buy high waist care, and postpartum women often need to protect pelvis. At this time, low waist care is better.

2, Whether it has orthopedic function What's more? For patients with lumbar discomfort, steel bars or resin plates often need to be added after the waist protection to fix the body shape to reduce bending and relieve pain.However, this board must be strong and flexible! In this sense, high -quality resin stripes have better effects than ordinary steel bars because of their flexibility and both flexibility.Only when you are flexible and both, can you feel pain or twitching when you correct your waist and back and restore the tall posture.

3, What is the sweaty of ventilation? This is very important! Most people need waist protection, not only for winter, but also for summer. At this time, if the waist guards cannot be sweaty, then wearing it will become a kind of suffering.If the waist protection is a mesh structure, this problem can be solved.

4, Is there anti -slip protection to prevent the shift of protective gear? After wearing a bad waist, the movement began to shift and skewed it with a little exercise, and pulling it on the body was uncomfortable.

5. Whether the material is lightweight and thin What's more? Social pursuing fashion, no one is willing to be heavy and thick protective gear, which affects dressing.Only the Slim and close waist can show a beautiful figure!

6. Is the lines of the outer contour of the waist guarding reasonable? It is often inconvenient to sit and lie on the waist guards.Only the line shape that meets the body and movement habits can fit the body, and can be flexible when bending and turning and exercising.

7. Is it easy to deduct?

8. Whether to have attachment functions What's more? If you have a small bag that can be loaded in the heating tablet, if so, it can be used in winter and it can be cleared in summer.

9. Is it laborious? This is still important for people of the previous age.Some good waistbands use the principle of pulleys, and they can easily bind them with less force to ensure that they will not be too tingling while fixed.In summary, you must consider your own characteristics and needs when purchasing the waist protection, and choose the type of intimate stretching and useful use.

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1. How much is a pair of training shoes

training shoes are a must -have equipment for each sports enthusiast. Choosing a pair of suitable training shoes can not only improve sports performance, but also effectively protect your feet and reduce sports damage.So how much is a pair of training shoes?

Generally speaking, the price of training shoes of ordinary brands ranges from hundreds of yuan, and the price of some well -known brands or high -end models may reach thousands of yuan, and you can choose according to your needs.

2. Types of training shoes

1. According to the material

(1) Natural leather: such as cowhide, sheepskin, pork leather, etc., it has the advantages of softness, breathability, warmth, folding, durable, etc.

(2) Synthetic leather: A plastic product that simulates natural leather is usually made of impregnated non -woven fabric as a mesh layer, and the microre polyurethane layer is made of grain layer.And have a certain breathability.

(3) Factory material: usually uses flying weaving technology to form a soft, comfortable and breathable upper. It has the characteristics of lightweight and comfortable, and has good elasticity, toughness and wrapping.

2. divide by function

(1) Shock -absorbing training shoes: This type of training shoes is mainly designed for people with heavy weight or inner feet.They absorb the impact of heels and Running movements through special sole design and structure, thereby reducing the impact and injury risk of feet during Running.The external characteristics of this type of shoes are the thickness of the arch of the foot, and the weight of the shoes is medium.

(2) Captive training shoes: The design of this training shoes is to provide good ground grip and stability, suitable for wear during training that needs to maintain balance and stability, such as squatting, hard pull, etc.During strength training.

(3) Stable support training shoes: designed for people who need to strengthen foot stability.This shoe usually has a special sole structure and a strong outer support to help prevent the foot from excessive internal or external rotation.This can reduce the risk of injury and help improve the efficiency of Running or training.

3. How to choose training shoes

1. sports:Different sports require different types of shoes.For example, running shoes emphasize buffer and shock absorption, basketball shoes focus on non -slip and side stable support, and strength training shoes are stable.Learn about your main exercise, and choose the corresponding shoe type.

2. Material

(1) The soles of training shoes should have the functions of shock absorption, support and abrasion to meet the needs of different training intensity and amount of exercise.Some elastic and buffer properties, such as rubber, EVA, can provide better support and cushioning effects.

(2) The upper of the training shoes should be breathable, wear -resistant and supportive to maintain the dryness and comfort of the feet.The mesh material can provide good breathability, while the leather material can provide better support and wear resistance.

3. Foot type:Know your own foot type, such as normal foot, high arch or flat foot.Those who are high -footed should choose shoes that emphasize shock absorption. Those with flat -footed feet need to support shoes with strong functions.

4, shoe number:When trying it on, you should wear sports socks and leave enough space to ensure that the shoes are fitted during exercise.

5. Back help:After selecting the shoes, help the shoes that are hard enough to make the sides of the heels reliable to prevent shaking during exercise.

6, middle and front shoe soles:According to the needs of sports, select shoes with appropriate hardness of the middle and front soles.

7. Life life:Pay attention to the service life of the shoes and replace the deformation or decreased shoes in time.

8. Personal needs:Considering personal needs, such as support, stability, control, buffer, shock absorption, rebound, anti -slip, sweat, breathable, antibacterial, deodorization, wear resistance, balance, lightweight, grip, correction and other functions.

1. How to choose sunscreen and Shading caps suitable for you

It is necessary to buy a suitable sunscreen hats in summer. Whether it is daily or travel vacations, it can play a good Shading and sunscreen. So how to choose a sunshade hat suitable for you?

1. Select according to hairstyle

Different hairstyles will affect the shape of the Shading hat. If the ponytail is combed, then buy an empty top hat; if you comb your hair, choose a solid sunscreen Shading cap.

2. Select according to the head type

Pay attention to the head shape when buying a Shading hat. The head shape is relatively large. It is better to choose a circular Shading cap; the choice of small faces is more suitable.

3. Select according to needs

If you travel out, you need to choose a sun hat with high sunscreen coefficients and large shade faces, so as to block the sun's sunburn for a long time; if you wear ordinary daily travel, you do nt have such high requirements, and ordinary sun hats are enough.

4. Select according to budget

The price of sunscreen covers is high or low. Generally speaking, the function of workmanship, fabrics, and ultraviolet rays is relatively high. When purchasing, you can choose a sunshade cap based on the budget.

5. Select according to style

There are many different styles of Shading caps. If you need to sunscreen for a long time, it is recommended to choose sunscreen and cover your face with a sun hat. If there is no such high requirements, choose an ordinary sun hat. If you need it, you can wear a mask again.Essence

2. How to judge the quality of the Shading cap

When buying a sun hat, you must not only pay attention to choosing the appropriate Shading hat according to your actual needs, but also pay attention to the quality of the sun hat, whether you buy it or buy it online.To identify the quality of the sun hat, you can use the following aspects:

1. Look at the texture

The sun hat is made of a variety of materials. Generally, nylon materials are better, lightweight and breathable, and the effect is good; cotton can also be more comfortable, but it may be a bit hot.

2. Look at the hats

Generally, when choosing a sun hat, it is recommended to choose a sun hat with a wide brim and a large area covering a large area. The wide hat can not only protect the Skin, but also play a certain eye protection effect.

3. Look at the tightness

A good sun hat must be tight and uniform in texture. This sunscreen effect is good, and it is both breathable. Generally, satin fabric is better, followed by oblique and flat lines.

4. Look at the color

Light -colored sun -sunscreen and Shading effects are better than dark Shading caps. When choosing, pay attention to choosing light -colored Shading hats such as white, blue, light green, pink.

Classification of insoles

Classification

1. Healthcare insoles are insoles that have health benefits to people.Such as: antibacterial insoles, deodorant insoles, traditional Chinese medicine insoles, etc.

2. Functional insoles: shoes with special functions.Such as: anti -static insoles, height insoles, waterproof insoles, air circulating insoles, etc.

3. Conventional insoles: It does not have the above 2 points of insoles. This is very common.

Material classification

1. EVA insole

2. Sponge insole

3. Silicone insole

4. TPR insole

5. latex insole

6. Cloth insole

7. Leather insole

8. CPU insole

Use classification

1. sports insole

2. Air circulating insole

3. Correct insole

4. Shock -absorbing insole

5. Keep warm insole

6. Grow up insole

7. Anti -slip insole

8. Electronic heating insole

9. Massage insole

10. Magnetic insole

11. Anti -static insole

12. Drug insole

13. waterproof insole

14. Conventional insoles

Appearance size classification

1. The whole insole

2. Semi -code pad (semi -insert)

3. Seven -point pad

4: front palm pad

5. Follow pads

6. Post -followed post

7, waist sticker

Production process classification

1. Cold pressure molding insole

2. Hot pressure molding insole

3. Watering molding insole

4. injection molding insole

5. Textile molding insole

6. Handmade embroidered insoles.

Pay attention when buying insoles

Don't be too superstitious about health insoles.Take the massage insole, there are dozens of reflex areas on one foot of a person. The main organs of the human body, such as heart, liver, kidney, etc., there are corresponding reflex areas on the feet, but the massage point on the insole is ""The net" lacks targeted, and its therapeutic effect can be imagined.If you wear improperly, the Skin of the feet will be thickened, and sometimes it will even cause side effects.

Diabetes patients are prone to and vascular neuropathy caused diabetes. The Skin of the feet is very vulnerable to damage, and it is not easy to heal after being damaged.Therefore, diabetic patients should avoid using a massage insole, but a comfortable cotton insole should be used.

The orthopedic insole has a certain correction effect on the mild deformity of some feet. It can slow down the local excessive pressure caused by the foot deformity of the feet, thereby relieving foot fatigue.But orthopedic insoles must be used under the guidance of orthopedics.

For different shoes, the ideal insole should have different hardness. For example, the hardness of the insoles of leather shoes should be smaller, and the hardness of the sports shoes insoles should be slightly higher.

Pay attention when using insole

Sanitary: The insole is best replaced every day.Wash the insole with soapy water once a week to keep the insoles dry and clean to prevent ringworm feet from the breeding of mold.

Regular replacement: Because the insole has a certain shock absorption performance, after a long period of use, the performance of the insole will be destroyed.Generally speaking, when the sports insoles are equipped in the sneakers, half of the shoe's life is consumed, the insoles have been "ended in the end."For sports insoles, there is a basic replacement principle: after 150 hours of aerobic exercise, the insoles will lose elasticity, and they should be replaced at this time.