Guide to Eyeglasses
- Eyeglasses for different groups of people
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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.
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- New lens designs using wavefront technology
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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.
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- Various types of specialty eyeglasses
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Besides eyeglasses for regular wear, there are still various types of specialty eyewear or “task-specific” eyeglasses. Since one pair of eyeglasses does not fit all sizes in most cases, those specialty eyeglasses such as computer glasses, driving eyeglasses and protective glasses are helpful in specific circumstances.
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- A comprehensive introduction of eyewear
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Along with their popularity, eyeglasses are still under restless innovations. This writing describes comprehensively about aspects of eyeglasses: frames materials, frame styles, lenses, sunglasses and so on.
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- Features of polycarbonate lenses
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Since its creation in 1970s, polycarbonate has been widely used in aerospace applications, helmet visors of astronauts and space shuttle windshields. Polycarbonate lenses are thinner, lighter and 10 times more impact-resistant than traditional plastic lenses. In addition, polycarbonate lenses can offer 100% UV protection from harmful sun rays.
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- Face shapes and personal colorings
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In order to get a best appearance, the eyeglass frame you selected should match your face shape and your personal coloring. These two aspects are most important among various factors in choosing right eyeglasses. In the eyeglass store, you can try on some glasses to find the best match.
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- Four types of lens coatings
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Lens coatings such as ultraviolet coating, anti-reflective coating, mirror coating and scratch-resistant coating can improve the performance and appearance of lenses.
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- Design philosophy of unisex eyewear
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In the eyewear market, some designers focus on enhancing female and male contrast in eyeglasses design, resulting distinguishable masculine and feminine glasses. These glasses follow two separate runways. On the other hand, lots of unisex eyeglasses are still around for decades, which attract both men and women. Some optical stores even have exclusive unisex glasses sections.
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- Benefits from high-index lenses
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Thin eyeglasses bring attractive appearance and light ones bring comfort. Thinner and lighter high-index lenses are the perfect choice for wearers who pursue these features. A common sense is that lenses for myopia correction are thicker at the edge and thinner at the center. Stronger prescriptions require thicker lens edges.
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- Aspheric lenses with curvature changes
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Unlike spherical lenses, aspheric lenses have different curvatures on their front surface. It is commonly known that spherical lenses have the same curve across their entire surface. The changes in curvature allow aspheric lenses to have flatter curves than conventional lenses, bringing thinner and slimmer appearance.
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