Your 101 Guide on Spectacle Lens Technology



Have you ever been prescribed with spectacle lenses that the optometrist deems suitable for you, yet you don’t quite catch a single word of jargon in the world of lenses? Spectacles are more than just a fashion piece; it is also a part of our lifestyle. If your spectacles do not fit well, it is probably time to take a look at your lenses prescription. As varying degrees of eye condition, Foptics has a multitude of spectacles curated by our professional optometrists to cater to your needs and will help your eye condition in both comfort and style.


Types of Spectacle Lenses:


Polycarbonate lenses are impact-resistant, which makes it good for people who play sports or work in harsh conditions. It is also suitable for children who are not great at taking care of their spectacles. The durability and resilience of polycarbonate lenses make them a suitable choice for rimless spectacles frame. Polycarbonate lenses also consist of built-in UV protection to prevent eye problems such as cataract.


Trivex lenses are made from plastic which is similar to impact resistant polycarbonate lenses. At the same time, it is also lightweight and thin, and for some people, Trivex lenses may work better in correcting their vision.


Hi-Index lenses are used for people who require high lenses prescriptions, where their vision is corrected with minimal material. Thus, the lenses are usually thinner and lighter, in turn, more comfortable as compared to traditional lenses which are thick and heavy.


Aspheric lenses have various degrees of curvature from the centre to the edge of the lens. Unlike conventional lenses that have a spherical front surface, Aspheric lenses have a unison curve across the entire surface. It is also usually used for correction of small distortion in vision, therefore, it is thinner and lighter as compared to other lenses.


Photochromic lenses change from clear to tinted under sunlight exposure, eliminating the need for a separate pair of sunglasses. Photochromic lenses are a popular choice for all ages as they are available in all lens design and material, be it glass or plastic, bifocal or hi-index lenses.


Polarized lenses help in reducing glare reflected off surfaces such as water, making objects appear sharper and clearer. At the same time, most Polarized lenses provide UV protection which makes it a great choice for sports and driving use. It is also available in both prescription and non-prescription sunglasses. Adding on it can also be worn indoors by people who have light-sensitivity, including post-cataract surgery patients and people who are exposed to bright sunlight continuously.


Types of Multifocal Spectacle Lenses:


Bifocal lenses are split into 2 sections - the top which helps with distant vision and the bottom that helps with near vision; this combination helps to improve vision concern for both myopia and hyperopia. Bifocal lenses are also often recommended to people whose myopia has deteriorated over time.


Trifocal lenses are bifocal lenses with a third section. The third section sits above the bifocal portion of the lens to magnify objects that are within a couple of feet or so. The magnifying ability of trifocal lenses adds to the range of vision, such as a wide field of view is seen when using a computer.


Progressive lenses have a smooth power progression that enables the wearer to see at any distance. Unlike bifocal and trifocal lenses, progressive lenses do not have any lines separating the lens section, therefore a great option for style-conscious people.


Types of Spectacle Lenses Coating:


Anti-reflective lens coating reduces eye strain caused by glare, reflections, and halos around lights at night. It also protects your lenses from scratches and smudge, at the same time repels dust and water. Additionally, Anti-reflective lenses aids to sharpen vision while letting your eyes to appear clearer behind the spectacles. Some anti-reflective coatings also help in reducing reflected UV rays to your eyes providing the best possible overall UV protection.


Scratch-resistant lens coating (as the name goes) prevents scratches from damaging your lenses and interfering with your vision. Scratch-resistant lenses can minimize the problem of everyday wear and tear to protect your investment in quality spectacle lenses.


UV Protection lens coating can block out up to 98-100% of transmitted and reflected UVA and UVB rays to prevent overexposure to ultraviolet rays that can cause serious eye problems such as cataracts.


BluShield Lens coating is a signature spectacle lens coating made in-house to combat digital strain from blue light exposure of smartphones, computer screens, televisions, energy-efficient lighting, and the sun. BluShield Lenses also optimizes visual performance, improves visual comfort, enhances your appearance, and extends the lifespan of your spectacle lenses.


With this comprehensive list of spectacle lenses option curated for you, be confident in your next consultation with the optometrist for your next pair of spectacles purchase. But before proceeding, keep in mind that your next spectacles investment should consist of comfort, style and affordability. At Foptics, we aim to provide stylish yet comfortable spectacles at an affordable rate for our customers. With over 500 positive reviews on Carousell platform and over 3,000 unique customers, we are confident to be the place for you on your next purchase of a new pair of spectacles.

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