Eye Glasses For All Types of Vision Correction
Prescription eye glasses are used for vision correction as the combination of the lenses in your eyes and the lenses in your glasses will allow you to see properly. Those that have an astigmatism, are nearsighted or farsighted will require prescription eyeglasses. If you are nearsighted then you cannot see clearly far away and if you are farsighted then you cannot see clearly up close. As people age they may become both farsighted and nearsighted. In order to purchase prescription eyeglasses you will need to have an eye exam performed by an optometrist and then receive a prescription.
For those that have severe vision problems glasses with lenses made of high index material can be the best as high index material eyeglasses will be very lightweight and provide better optics. Many times those with very bad eyesight will get headaches because their glasses are very heavy. High index lenses are an excellent option.There are many coatings that can be used to help protect your prescription eyeglasses as prescription eyeglasses can be very expensive.
All prescription glasses today come with scratch resistant coatings. Most glasses will also have anti-reflective coatings and UV coatings. Anti-reflective coatings help to reduce glare and UV coatings block UV light from damaging your eyes. There are other coatings that can be used to help your glasses last longer.