It is very safe to buy cheap eye glasses online, as long as you do your homework and buy from a reputable dealer.

One of the most important measurements for your eyeglasses is your pupillary distance (or PD). This number is very challenging to get yourself, and ideally you need experience to measure it, so most are better off getting it from their optometrist. If you spend time surfing the cheap eye glasses websites you will discover that they all need this measurement to properly make your lenses. This will be the easiest thing on your prescription to mess up, so be sure it’s correct.

Many of you may end up selecting the wrong style frame for your face and all because the eye glasses are so cheap. I really took a chance with one pair of mine because I wanted to try something outside the box. At the absolute worst, I was out the $25 I spent on that pair (see, cheap eye glasses) and had a spare set to stick in the back of the drawer. Just make sure that the frame you chose will physically fit your face (all the shops have full measurements available), and have fun picking out your new style.

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Most of us have heard the term “20/20 vision” being used in reference to healthy, normal eyesight. Perhaps you have been told you have 20/20 vision, 20/40 vision, or even 20/15 vision. As a measurement of visual acuity, 20/20 vision is considered “good” vision. Most people, however, are unaware or have forgotten exactly what these numbers mean. Let us take a quick look at the meaning behind these figures.

Anyone who has undergone a physical examination at a doctor’s office or a comprehensive eye exam at an eye clinic has seen what is called a “Snellen chart.” This is the chart hanging on the doctor’s wall with the large “E” printed at the top. This chart has been used since the late 1800’s to measure an individual’s visual acuity. Many modern eye clinics and family physicians use an electronic “viewfinder” version of the Snellen chart, but the ratios and results are the same.

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While the importance of relaxation in mental well-being is well documented, it is often overlooked when it comes to ocular health. Just like the rest of the muscles around your body, your eyes muscle can suffer from tension. This tension plays a part in both short and long sightedness and is only made worse by the use of corrective lenses.

If you wear corrective lenses you are effectively decreasingly the amount exercise your eyes have to do, this results in a deterioration in your focusing skills. So when you couple strained eye muscles with poor focusing you can see (or maybe you can’t!) how your eyesight continually worsens until you need stronger corrective lenses, and this process just keeps repeating.

Most opticians will keep this a secret but there are actually a number of exercises you can do to reduce strain and tension in your eyes. If you take just five minutes a day to do these eye exercises then you will find that your eyesight will slowly improve, and it could save you another expensive trip to the opticians!

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I am sure there are many of you who are curious to know how laser eye correction works, especially if you are considering having the surgery performed. You are probably wondering, “How does LASIK work?” as this is one of the better-known laser eye correction methods.

Before I can answer how LASIK and other laser eye correction procedures work, it is important to understand that laser eye correction is used to primarily treat vision impairments such as nearsightedness, farsightedness and astigmatism.

During an initial consultation with your eye surgeon, your eyes will be tested for their suitability and compatibility for laser eye correction. Patients who suffer from certain conditions such as dry eyes, glaucoma, diabetes and cataracts may be advised against going for the surgery.

Now, we come to the main question which is How does laser eye correction work? How does LASIK work? Basically, there are a few phases involved, as we will be showing you below:

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For those of you who are considering having laser eye correction, it is important to bear in mind that the surgery also involves postoperative recovery. Here are some simple recovery tips for those who plan to go for this surgery.

The actual surgery only takes minutes to perform. What differs for most patients is the postoperative recovery period. For some, it can take a few days, while for others it can be up to a few months.

After laser eye correction, some patients’ will be told to use a protective shield to cover the eyes, depending on the type of procedure performed. This protective shield should be used for as long as your eye surgeon recommends. Eye surgeons will also advise patients to use antibiotics, moistening eye-drops or even anti-inflammatory drops. Patients may also be asked to wear sunglasses if they develop sensitivity towards sunlight. For a lot of people, laser eye surgery is not a setback to their lives. They return to their normal activities and even work within a few days after surgery.

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Eye problems are quite common around the world. There are several eye problems that demand a person to wear. Among these, three very common eye problems that can be treated by wearing prescription eyeglasses are (a) Myopia or nearsightedness, the common symptoms of Myopia are blurred vision and helplessness to focus on distant objects. (b) Hyperopia or farsightedness, opposite of Myopia. The symptoms of Hyperopia are headache, eye fatigue after reading or watching television. (c) Glaucoma- the saturation of fluid on the retina. Glaucoma comes without any warning signs and it can cause loss of sight if left untreated. Hence, one should get his/her eyes checked up at least once a year for any eye problems.

The strength of prescription eyeglasses is measured in dioptres. A normal prescription will contain spherical dioptre values, cylindrical dioptre values, Axis Value and any addition values. Some commonly used abbreviations in an eyeglass prescription are: DV = D.V. is an abbreviation for “distance vision”. This specifies the part of the prescription designed primarily to improve far vision. NV = N.V. is an abbreviation for “near vision”. This may represent a single-vision lens prescription to improve near work, or the reading portion of a bifocal lens. O .D. is an abbreviation for oculus dexter, Latin for “right eye.” And O.S. is an abbreviation for oculus sinister, Latin for “left eye”. (Some eyeglass prescriptions simply say “left” and “right” instead of “O.S.” and “O.D.”)

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It’s got to be the lifestyle. Living in Southern California, where it’s sunny year round and there’s so much to see and do outdoors, many people want to avoid the pain of wearing glasses or contacts. The only glasses an Angelino wants to wear are sunglasses. Los Angeles LASIK is especially popular among celebrities, who rely upon their looks for their careers. Athletes as well, look to Los Angeles LASIK surgery for correcting their vision, which their performance relies upon, in the city where some of the top medical physicians have studied. Many of the most successful physicians in the country have studied at USC or UCLA medical centers, two of the top medical programs in the U.S. right here in Los Angeles.

Los Angeles LASIK eye surgeon Dr. Andrew Caster, for example, who was named one of the “Best Doctors in America” in 2005, 2006, 2007, and 2008, graduated from Harvard Medical School and then was Resident in Ophthalmology at the UCLA Jules Stein Eye Institute from 1981-1984, and was the Clinical Instructor in Ophthalmology at the highly prestigious UCLA School of Medicine. Andrew Caster MD also wrote a book called Lasik: the Eye Laser Miracle, which has become one of the most widely read books in the U.S. on the subject of laser vision correction.

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First, what’s in common?

Wavefront LASIK (also called Custom LASIK), and traditional LASIK both:

· Use an excimer laser

· Create a tiny flap on the corneal surface to expose the underlying tissue to be worked on

· Modify the shape of the cornea by vaporizing tiny pieces that were impairing your vision

· Are extremely precise

Advantages of Wavefront (Custom) LASIK

It provides particularly precise information on how your vision is impaired. Custom LASIK measures each eye with a special laser, using wavefront technology, and creates a 3-D map of the eye. This is translated by the Wavefront system into mathematical information that’s used to guide the laser in correcting the problems.

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LASIK surgery has become the most popular eye correction procedure in the country. Last year, over one million Americans improved their eyesight through LASIK, with most patients experiencing 20/20 vision or better following the procedure.

But not everyone is a good candidate for LASIK. A patient needs to go through a comprehensive eye exam by an ophthalmologist or eye surgeon to determine if their eyes will benefit from this procedure.

LASIK Requirements

For safe laser eye surgery, an ophthalmologist looks for certain criteria to reduce any risk factors associated with LASIK. The patient must meet the following guidelines:

· To be sure that the eye has developed properly and matured vision must be at least 18 years old.

· The patient has had no eye injury or infection within the past year.

· The candidate does not have any autoimmune disorder such as Lupus or Sjorgren’s Syndrome.

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An intraocular lens, known as an IOL, is implanted directly in the eye. It is used to replace the eye’s natural crystalline lens when it becomes clouded over by a cataract. IOLs are also used as a form of refractive surgery to enhance the optical power of your eye.

The following three IOLs are used to replace lenses damaged by cataracts and presbyopia (middle-aged vision).

Crystalens®

This procedure takes 15-45 minute per eye and is done with local anesthetic. It is ideal if you require good night vision, and don’t mind the possibility of having to wear reading glasses despite your IOL. You can usually resume your normal activities the day after surgery. Distance recovery is immediate, but you should allow weeks for computer and reading distance to recover fully.

Benefits

· Stable, long term outcomes

· Best clarity of vision

· Eye focus is similar to natural focus

· Good distance vision, computer vision, and night vision

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