Online Glasses Frames

They will be thinner because of their natural ability to bend light better then what you would normally find with Glasses out in the market. The high index lens for your nearsightedness vision will have the thinner edges then most lens out there with the same kind of prescription or lens power that is made of conventional plastic materials. They will also be much more lighter which will help reduce overall weight of the Glasses and increase its comfort for your face. These lens will be made of a high index plastic which is lighter then what you would find with plastic normal lens that you can see in the stores today, so they will be more comfortable for you to wear every day. High index glass is actually heavier then so there isn't much of a weight difference as well even if you go with something like regular plastic which in the end will not feel much different. You need lightweight eyewear which will be even more of a benefit for those who are farsighted and have such Online Glasses Frames and you should know that most of these high index lens will also feature a aspheric design to them which in the end will give them a slimmer more attractive profile for you to enjoy and will also take care of those nasty bug eyed issues you would expect with the regular lens.

Online Prescription Glasses

There is quite a wide variety of these thin and lightweight high index lens materials which will bend the light around you quite well to reflect your vision needs. The light bending ability is determined by the index of refection of these lens materials. Their index is the ratio of the speed of light when it travels through the air to also when the speed of light may travel through your lens materials, this is quite important to reflect any discomfort that may be felt later on. The speed at which light will travel through your lens material is reduced so the lens will be able to better bend it to however much is needed for your vision. The lens which have a higher refractive index will be thinner than the lens that can be of the same power and possibly made from the same materials.

Prescription Glasses Frames

Conventional plastic lens that you may find in the eye stores these days usually have a refractive index of approx. 1.50 and for glass that will be about 1.52. The lens material which will have a refractive index that is higher than either of these materials will be considered to be high index which will provide the better vision. These high index plastic lens are now quite widely available which typically range from values such as 1.53 all the way to 1.74. The lens which have a higher index refraction then of something like 1.70 or possibly even higher than this are and will usually be at least 50 percent thinner than the normal regular plastic lens. Also you should know that the higher refraction will also mean a higher price point for your future Eyewear. In part to this your Eyewear Prescription will play a major role in determining what type of high index material you will need for your vision and your lens. The highest index materials would also mean to say that these are used usually for the strongest kind of prescription written out by opticians and eye doctors these days. But if you know that you want these high index prescription lens material then you should simply just go ahead and ask your eye doctor and optician for them. But just be sure you do not go directly against the advice of your eye doctor or optician as they should have the final say and know what’s best for your vision care.

Online Eyeglasses Frames

But you shouldn't have to worry, most of what is popular in these days should be available in the high index material form like for example single vision or bifocals or progressive etc. As I mentioned before there are always exception to the normal rules so the advice of your eye doctor or optician comes in handy in any type of situation where you feel you need to go out and get yourself some eyewear. Also another thing you may want to consider is AR or anti-reflective coating to go along with your new high index lens material. All lens materials can block some amount of the light passing through them but there are additional things you can do to increase that amount. And because this light can reflect back from surfaces around you they can cause a lot of distractions and reduce your vision especially when you may be needing the most in your daily use. The regular glass or plastic lens that you may find can reflect about 8 percent of light which can reach the eye, high index on the other hand can reflect up to 50 percent of the same light. An AR or anti-reflective coated high index lens can reflect up to 99 perfect of light to your eye given you the near perfect vision possible which you may be wanting. It will also help reduce or eliminate additional reflections from your lens and makes high index appear almost invisible which will help other better see your eyes rather than your lens all the time.