What one must know of eyeglasses
People with presbyopia are supposed to buy reading glasses from eye doctors, rather than simply pick up one pair from drugstores. On one hand, those one-size-fit-all reading glasses are problematic for people with different prescriptions in two eyes, resulting in side effects such as headache. On the other hand, regular eye exams from eye doctors can detect underlying vision problems as early as possible.
More...New lenses that change in shading
Trivex is a mid-index plastic that is also lightweight and durable. Now this material has been used to manufacture Definity progressive lenses by Essilor of America. The company claims that these new Definity lenses provide a wider view of distance vision as well as a better aligned intermediate vision. Currently these lenses are available in clear, Transitions IV photochromic gray or brown.
More...Common issues of eyeglass frames
The size of eyeglass frames also has standard format, such as 48-19-140. The first number is the size of the lenses and the second number represents the bridge size. The third one indicates the temple length. Different wearers require individual frame measurements and fitting. With these standardized size measurements, manufactures can provide accurate eyeglass frames.
More...Common issues of prescription eyeglasses
Some people think that eyeglass wearing makes the wearer rely on them. In fact, eyeglass wearing causes no permanent visual change. Based on the misconception, those people are not willing to wear eyeglasses when they just feel good with the vision. But in sometimes, their actual vision is burry, thus bringing more risk when they are driving on the highway, especially at night.
More...The evaluation of various safety glasses
Prevent Blindness America reports that 700,000 cases of eye injuries happen at work every year in the United States, and the figures of eye injuries at home and during sport are 125,000 and 40,000 respectively. It is also estimated that 90% of these injuries can be prevented by proper protective eyewear.
More...Selection for Children eyeglasses
In addition to functional demands, children’s eyeglasses are always fun, durable and safe. Although the eyeglass styles worn by adults may be significantly different, some children like those styles. Those adults-oriented designs such as elongated rectangular shapes, small, retro-styled oval frames and even titanium frames are available for children now.
More...Photochromic and tinted lenses
Currently, photochromic lenses are available in materials including glass, polycarbonate and high-index. There are also various tints and brands for your selection.
More...Regular and task-specific occupational multifocal glasses
Technological improvement of eyeglass lenses has brought much more options to customers. The period in which people with presbyopia were forced to wear the Franklin style bifocal lenses with visible lines across the lens has gone forever. Currently, new types of multifocal lenses are available, not to say various specialty eyeglasses such as computer glasses exclusively for intermediate vision.
More...Eyeglasses for different groups of people
A regular or full-time pair of eyeglasses always reflects the appearance of the wearer: sophisticated, fun-loving, youthful, conservative or style-conscious. Eyeglasses are often referred to a real part of the wearer’s identity.
More...New lens designs using wavefront technology
Traditional eye exams that take use of letters and images are limited, subjective and sometimes inaccurate, because the result is based on the patient’s response. These traditional eye exams also can not reflect underlying vision problems.
More...
A pair of ski goggle consists of lenses, frame and headband. Among three components, the most ...
Dry eye is a common condition that may bother a lot of people. This condition may ...
LASIK surgery is quite commonly performed worldwide now. However, the history of refractive surgery can be ...
Among all individuals who wear prescription eyeglasses or contact lenses, most of them notice vision deterioration ...
Among individuals who need vision aid because of myopia or hyperopia, a significant portion of them ...