Latest Vision Articles

1. Details of a visual field test

Some patients with vision problems may have heard of visual field test, which may be called other names such as automated Perimetry, threshold test, SITA and so on. Performed probably for different reasons, the most purpose of a visual field test is to detect or diagnose glaucoma. In the early days, doctors used a tangent screen on the wall to conduct such a test. And later, a manual version of device called the Goldmann Bowl Perimeter was used. Nowadays, automated devices are available.

2. The removal of damaged tissues during LASIK surgery

As a form of laser eye surgery, LASIK is becoming more and more prevailing. Some patients with vision problems may decide to take this surgery because of recommendations from their friends, while some others are just attracted by commercials that promote LASIK procedure. One point is undeniable that the benefits of LASIK surgery are being recognized by an increasing large group.

3. Appropriate dosage of lutein

For a few years, lutein has been widely known to contribute to the prevention of age-related macular degeneration. But many people do not know how much lutein dosage is appropriate. In fact, lutein is only one kind of carotenoids. Carotenoids can be mainly grouped into two categories: carotenes and xanthophylls. Alpha, beta-carotene and lycopene belong to carotenes and lutein and zeaxanthin are actually under xanthophylls.

4. Conditions associated with AMD drivers

Many people know that AMD in a severe stage can cause blindness. Another point of this dangerous disease is that it affects daily activities including driving. Difficulty in driving caused by AMD varies from one person to another. Moreover, weather and driving conditions are also decisive. This writing presents some of the problematic conditions associated with driving.

5. Capability of optometrists and ophthalmologists

Ophthalmology is very important for everyone because each individual only has one set of eyes during the whole life. The eyes deserve the most careful monitor for all individuals. In fact, eye care is one of the most critical parts of body health. Some people may get injured in their legs or hands and need to see a surgeon, while a dental problem requires a patient to see a dentist. Encountering an eye problem or abnormal sign, it is necessary for the patient to visit an eye doctor or eye care professional. This is an equal or even more important part than other aspects of care for other organs.

6. The benefits and drawbacks of LASIK

Right now more and more people will take LASIK surgery to correct their vision problems. But before you make your decision to take such kind of eye surgery, it is necessary to know some basic information of its benefits and drawbacks.

7. B vitamins for AMD prevention

Age-related macular degeneration has long been the leading cause of blindness in the world. This eye disease is quite damaging in an old patient. By destroying one’s sharp central vision, age-related macular degeneration will cause difficulty in performing daily tasks, such as reading, watching TV and driving. A good news is that a recently published study conduced by Harvard Medical School has revealed that vitamin B6, B12 and folic acid are beneficial to eye health. In detail, these nutrients can help prevent or lower the risk of age-related macular degeneration.

8. A statement of potential LASIK complications

In the realm of vision correction, the benefits of LASIK surgery are widely publicized and stated. A result of such kind of propagation is that more and more people bothered by certain vision problems are appreciating the upside of LASIK procedure and consider receiving it with much expense.

9. Advantages of Femtosecond lasers in LASIK

Femtosecond Laser Technology is thought to increase safety and predictability of LASIK. LASIK procedure requires the surgeon to create a corneal flap. After that, an excimer laser will be used to reshape the corneal surface, in which way refractive errors can be corrected. The corneal flap is traditionally created by a mechanical microkeratome.

10. Various nutrients over lutein and zeaxanthin

In the past years, lutein and zeaxanthin supplements have been widely recommended by lots of eye doctors and nutritionists. These supplements are believed to helpful in fighting against age-related macular degeneration. On the market, there are quite a huge variety of lutein and zeaxanthin supplement products in different brands. In most cases, the recommended dose for is 50mg for lutein and 100mg for zeaxanthin every day.