A: There are many advantages of wearing hard contact lenses. One of them is that hard contact lenses provide sharpness of vision, thus people who wear hard contact lenses can see things clearly. Another one of hard contact lenses is that they work well in correcting astigmatism. Most individuals who have astigmatism, whether mild or extreme, can wear hard contact lenses to help correct astigmatism. Besides, hard contact lenses are comfortable to wear though it takes time to get used to them. But once you get used to hard contact lenses, you will find them rather comfortable to wear.    Learn more answers.

Q: What are hard contact lenses made of?
I just wonder what material are hard contact lenses made of?

A: Hard contact lenses are made of PMMA (polymethyl methacrylate) polymer. The advantages of hard contact lenses are: difficult to change, longer life, easier cleaning and maintenance. The disadvantages are: less comfortable to wear, long adaptation period. The rigid gas-permeable?RGP?is very common, it is made of flexible colloidal material, it has all the advantages of hard contact lenses, and has a higher rate of oxygen permeability, but the price is relatively high.   Learn more answers.

Q: How to take care of hard contact lenses?
I have a pair of hard contact lenses. Can you tell me how to take good care of it in order to make it last for a longer time?

A: You can combine a disinfection or storage solution and a cleaning solution, or use a single bottle of multipurpose solution for cleaning, disinfecting and storage of contacts. The initial way to clean it is using tap water, which was also approved by FDA. Always wash your hands with warm water and soap before handling your contacts or before touching your eyes. Dry your hands with a clean towel.  Learn more answers.

Q: What would happen if I accidentally wore soft contacts to sleep?
Sometimes I just forgot to take my contacts off before sleeping, so what would happen if I accidentally wore soft contacts to sleep? Would it harm my eyes?

A: If the soft contacts are not designed for day and night use, your eyes will end up being very dry and lack of oxygen. You may have swollen eyes in the morning. If you don’t want to take the trouble of taking them off before sleeping, you can choose the RGP contacts which have a better oxygen permeability.  Learn more answers.

Q: Whats the difference between Hard and soft Contacts?
I’m contemplating on getting some contacts,but don’t know the difference between Hard and soft Contacts .And how do you get them in and out of your eye

A: For my experience, soft contacts are made of plastic-like material and are much more comfortable to wear and they are the best choice for most people. Hard lenses are uncomfortable and can fall out easily.But there are also some advantages over the soft lenses. They have better oxygen permeability than the soft ones and much easier to care. They can be used as long as 3 years if cared properly. Also they do a better job in vision correction than soft ones. For first time wearer ,it is better to choose the soft contacts as they are easy to get used to.  Learn more answers.

A: Do you mean Plano lenses glasses, or non prescription lenses glasses? Technically, the plano glasses won’t cause damage to your eyes since the lenses have no prescription at all. But you still need to go a professional shop to buy the glasses so as to make sure the glasses lenses are zero power. That because some cheaply glasses lenses might have distortions that may hurt your eyes for long time wearing.  Learn more answers.

Q: Will plain lens glasses be harmful to your eyes if you are just wearing them for fashion?
I have good eyesight and no need to wear glasses , but I am considering buying glasses as an accessory.Will they be harmful to my eyes?

A: If you wear plain glasses correctly, they won’t damage your eyes. Some cheap plain glasses may cause damage to your eyes if you wear them for a long time. So you’d better wear them at most 4 hours a day when you wear plain glasses for fashion. What’s more, you should do some eye exercises often to relax your eyes.    Learn more answers.

Q: Could I use plain glasses instead of computer glasses to protect my eyes while working long on computer?
I am a programmer and I sit long b4 computer everyday, now i had started feeling some eye & other problems, som1 told me about computer glasses, i was wondering if i could use plain glasses instead for the purpose. Thank you folks.

A: The eye problems may be cause by computer radiation and long-time staring at the screen .More and more office workers are being tortured by computer radiation at all times that their eyesight is getting worse and worse, alongside with eye dry, itch and fatigue. In the office, radiation sources are throughout every corner, from computers, printers, scanners, fax machines, etc. The best solution is a pair of computer glasses which is especially designed to reduce the harm of computer radiation to the eye. plain glasses don’t have the function ,so computer glasses are necessary for you . Learn more answers.

A: If you come home late and find the eyeglasses shops are closed, you have to find another thing to take place of the solution. The best and direct way is to use the mineral water which should better be new mineral water, with no bacterium.The egg white water is not good which may cause the eyes get inflammation. In addition, the saline will make the contact lenses dehydrated. You’d better soak the contact lenses into the pure mineral water. Learn more answers.

Q: What can i use instead of contact lens solution ?
I just run out of my contact lenses. What shall i do? Is there anything that i can use instead of contacts solution?

A: There is something you can use instead of contact solution when you run out of it. The alternatives are saline solution, distilled water and salt water. Like contact lenses solution, the saline solution is also a disinfectant solution and will not cause damage to contact lenses. Since it is sterile, it can cleanse the surface smudges of the contact lenses. Distill water can be used to store and clean contact lenses, for it has no acanthamoeba keratitis that is harmful to the eyes thus more applicable than the tap water. You can even use salt water to clean and store your contact lenses. Salt water can be got by putting a certain amount of salt into tap water. None of these alternatives can be used in long term. So you should buy a bottle of contact lenses solution as soon as possible.     Learn more answers.

Q: Is it okay to use expired contact lens solution?
Can i use expired contact lens solution? Is it bad for my contact lenses and my eyes?

A: It is not advisable and it is not safe as well. Your know, there are some chemical components that can help us to clean the lenses, including our eyes. When the solutions are expired, they will begin to degrade. Of course, how fast do they degrade will depend on the brand you but and the quality. If the solutions degrades, the PH level, which is optimal before the expiration date, will come to unstable and then the solutions will be more likely to get acidic. If you use the solution mentioned above, you will get eye infection , itchy eyes and irritated eyes. You know we are not the pros, so we do not know what to do when our eyes are ill when used the expired solution. All in all, you had better not the expired solution. Learn more answers.

A: Gradient sunglasses are one type of sunglasses with gradient lenses. They appear dark in the top part of lenses while the button part of lenses approximates to clear. The design of the sunglasses lenses can offer well protection to eyes by blocking UV rays and reducing strong light, meanwhile offer you clear vision to read newspapers or magazines through the button part of lenses.   Learn more answers

Q: Are gradient sunglasses better than full tinted sunglasses?
I am planning to get a pair of sunglasses. Are gradient sunglasses better than full tinted sunglasses?

A: That depends on your own preference. As far as I am concerned, I like gradient sunglasses better than full tinted sunglasses. Gradient sunglasses have darker part on the top of the sunglasses and it becomes lighter gradually and then approximates to clear at the bottom of the sunglasses, which allow you to see close-up objects clearly like reading newspaper and protect your eyes from UV rays and strong sunlight as well.  Learn more answers.

Q: Will 20% grey gradient tinted sunglasses darker the colors I see?
I am planning to get a pair of 20% grey gradient tinted prescription sunglasses. But I don’t know whether the tinted sunglasses that is 20% grey can make the things darker if I see through them. Can anyone have tinted glasses before? What’s your experience?

A: No. 20% grey gradient tinted sunglasses won’t make the colors you see darker. As we all know, the best color for the sunglasses is grey. Some people think that the darker the lens of the sunglasses is, the better it will be because less light will get in to damage the eyes. It is said that you can still see very well with 10% to 12% of light only. However, the best is the 20% grey gradient tinted sunglasses which can let you see well without darkening the colors you see.   Learn more answers.

Q: Is it normal to have blurry vision when adapting to RGP lenses?
I just got my RGP lenses fitted last Friday. After the doctor put them into my eyes , the vision seemed to be very clear, but when I took them out and cleaned and soaked them and inserted them on Saturday they seemed to be slightly blurry, is this normal?

A: Maybe it is caused by less tear production because RGP lenses tend to repel water. So people who have poor tear quality may get blurry vision when they wear GRP lenses. However, people with adequate tear production won’t suffer this problem. So you’d better try a soft contact lens instead.   Learn more answers.

Q: Is it normal to have blurry vision when you take off your glasses?
When I take off my glasses, things are so blurry and I can barely see. Is this normal?

A:  Yes. If you have poor vision, things will be blurry when you take off your glasses because you can’t see clearly without glasses. If your vision is not so bad, you may also get blurry vision when you take off your glasses because your eyes need time to accommodate.   Learn more answers.

A: Roberto cavalli is a brand of stylish sunglasses from Italy, which is famous for its unique, colorful and fashion design. With advanced lens technology, the market share of Roberto cavalla is getting bigger. And there are more and more fake one appeared in the market. To select a real Roberto cavalli sunglasses, you should know something : 1. The price. Compare the price with that of its official website. If the price is lower too much, that must be fake. Do not try. 2. Where you buy Roberto cavalli sunglasses. Visit its official website and buy online, or get to know its store locator and go there. 3. Roberto cavalli logo on the lens. There is a logo in the upper left corner of the left lens. 4. Ask for help. Go to an authorized store and ask shop assistant to help you.  Learn more answers.

Q:Are the Zara sunglasses reliable?
Yesterday I saw Zara glasses for 16 euros very nice, but my question is whether these glasses are like those of real markets or protect you from the sun without leaving you a fortune on a brand?
A:  As a matter of fact , Zara is one of the most renowned brands in the world. Founded in Spain in 1973, it now has got a wide range of products. So, as you can see, its price must not be quite low and if you see the bargain in on a internet, you should be careful, because sometimes there are fake products. Actually, the 16 euro Zara glasses might not provide the best function but their design is as good as real products. You cannot expect them to add nice lenses to the frames can you?  Learn more answers.

If you want to know more info about designer eyewear, you can go to eyewear library to find more info about branded eyewear.

Q: How to know if versace sunglasses are real or fake?
I want to buy a pair of versace sunglasses to my sister as gift. But i never buy that sunglasses. Is there anyone who can tell me how to judge if versace sunglasses are real or fake?
A: The versace brand is a big famous brand all over the world which registed in 1978 in Milan of Italy. The most famous and transcendent designer is Gianni Versace who past away in years of 1997. It produce all the fields of fashion staff such as clothes, perfume, case, and glassware etc. The designning style is exaggerate and sexy towards to the enjoyable of your dream. The manufacture of this brand is a workmanship of the world. No matter what brand of famous and superior sunglasses, they all have the common characters. We can not give you the tip for the 100%’s assurance to define the real or fake of it, but we still have some points for you to choose the right one. Firstly, the best sunglasses have the great anti-ultraviolet function which would prevent the 99%’s ultraviolet. Wearing such kind of sunglasses, your pupil will keep the same no matter indoor or outdoor, in dark or bright place. Secondly, it will be very clear of the vision when you wearing the real sunglasses, your eyes will be comfortable and relax. Thirdly, the real sunglasses will be strong and durable. There have no flaws and scratches on the surface of glasses. The last one, the accessories, such as glasses cloth should be cotton make other than nylon, the details of the glasses box will also be exquisite. Ok, I believe your sight and taste. Follow your nose; it will be no issue to say the real from fake ones.  Learn more answers.

Q: How to tell if fossil sunglasses are real?
I want to buy a pair of fossil sunglasses. Can you give me some advices on how to judge if the sunglasses are real fossil sunglasses and fake?

A: To spot the fake fossil sunglasses, there are many tips you can follow. For example, you can check the label, which can be written with the place where they are made. For fossil sunglasses, it can be written with “made in italy”. Also ,you can check the warranty. And because Fossil sunglasses range from $25 to $74., so it the price is too expensive, it can not be real ones. In the final, you should know that Not only is the larger sunglass better protection for the eyes, it also provides needed protection for surrounding tissue. Fossil sunglasses offer hours more comfort for those exposed to extensively bright light. So maybe you can have a try. Learn more answers.

If you want to know more info about designer eyewear, you can go to eyewear library to find more info about branded eyewear.

Q: What are disadvantage of Pinhole Glasses?
I plan to buy a pair of pinhole glasses. Will it be safe to wear it? Are there any disadvantages of the glasses?

A:  Pinhole glasses are natural and harmless way to correct and improve eye vision. It becomes popular for people to select this kind of glasses. Because of the lens of the pinhole glasses are made of hard plastic with alined pinhole-sized holes. It improves the shape of an image to get clear and focused vision based on more frequently use of eye muscle. However, it takes some time to get used to this kind of glasses. And it blocks some light rays that diminishes light intensity and peripheral vision. And there are multiple pinhole-sized holes thus it would be easy to make multiple overlaying images, maybe you can’t not focus on the object easily based on this situation.  Learn more answers.

Q: Are pinhole glasses really useful for nearsighted people?
Do pinhole glasses work about improving vision? How effective is pinhole glasses to near sighted sufferer?

A:  It is said that pinhole glasses are useful for people who are near-sighted, far-sighted or astigmaic, but they are not recommended for people with over 6 diopters of myopia. You do not have to do any prescription or eye exam. Just put them on, and you will see clearly. According to some wearers, some eye exercises are needed to be used together to improve eyesight. Eyesight if used together with eye exercises. But due to a lack of formal clinical studies to substantiate the effect, it is better to try them by you. The best natural remedy for the eyes is a mixture of carrot, celery, parsley, and chicory juice to help nourish the optic nerve and muscular system.   Learn more answers.

Q: Why do my eyes water so much while reading?
When i was reading, i found my eyes kept tearing. What caused that? Why did my eyes water so much while reading?

A: There are some reasons for this. First of all, check your eyes, if the inside eyelids surface are redder than other people’s, that will be vernal conjunctivitis. Under such circumstance, you must buy some ointment that would diminish the inflammation. It will be recovered soon. If not, your eyes must be very fatigue and tired. Check the light, if the reading light is faint, your eyes will be prone to fatigue. Your eyes may over load with much labors, it ask for relax. The tear itself has the function of relief the visual fatigue, and protect the symptom of dry eye. Hope my answer is useful to you to adopt. Learn more answers.

Q: Why do my eyes water while playing video games?
I like to play video games. But recently, i find that my eyes always tear while i am playing video games. Why? What causes that?

A: It is very likely that your eyes become fatigued which a common cause of watery eyes is. It means that your eyes need a break. Looking out a window at something distant regularly is the best way in my own personal experience. Watery eyes can also result from a symptom from some type of allergies, a sinus infection, headaches, irritations, or even problems with eye-wear such as contacts. In your daily time, you should keep your home clean from any dust, dander, and household plants to prevent your eyes from allergies. Each problem is different, and should be investigated individually. So once it becomes serious, you should go to see a doctor right now. Learn more answers.