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Because they are inexpensive and lightweight, CR-39 plastic lenses are a common option for daily consumer. They do not, however, withstand impacts as well as other materials do.

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The most common type of lenses used to treat nearsightedness (myopia) or farsightedness (hyperopia) are single vision lenses. They are perfect for those who just want one type of vision correction since they provide a consistent optical correction over the whole surface of the lens.

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Progressive lenses, also referred to as multi focal lenses, offer a smooth transition between three focal points: near, intermediate, and distance vision, all without any noticeable lines. This design is intended for people who struggle to focus on near work due to presbyopia, a condition that usually happens to people over 40.​

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Specialty lenses are made to meet particular needs. Examples include lenses for children to slow down the progression of myopia, anti fatigue lens to reduce eye strain when doing near work, and occupational lenses for prolonged computer at office use.

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Bifocal lens - provides power for distance and near vision. Several designs are available for bifocal lenses:

1. Round segment

2. Flat-top

3. Executive

4. Blended

Trifocal lenses - provide power for 3 different scenarios; Distance, intermediate & near with different types of design.

1. Flat-top

2. Executive

Both of the lenses are becoming less popular with the consumer due to their visible line and are aesthetically unpleasant.

Visit the attached link to see different types of bifocal and trifocal designs.

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Because polycarbonate lenses are so strong and resilient to impact, kids and active people can benefit greatly from using them.

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Compared to regular plastic lenses, high-index lenses are lighter and thinner, making them appropriate for higher prescriptions. These lenses are more aesthetically pleasing and lessen the heavy look that thick lenses often produce.

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Trivex lenses are significantly lighter than polycarbonate lenses and have a higher Abbe value. Although this is a great advantage, the cost is more and they are bulkier than polycarbonate lenses for prescriptions over +/-3.00.

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AR coatings improve clarity and comfort of vision by reducing glare from headlights and screens. This coating is especially useful for long-term screen usage and nighttime driving.

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Lenses with a scratch-resistant coating offer protection from small scratches and have a longer lifespan.

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UV protection on sunglasses and eyewear protects your eyes from UV radiation. Even a brief exposure to UV radiation without the use of UV-blocking sunglasses or eyewear can damage your eyes in ways similar to getting a sunburn.

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By obstructing the damaging blue light that digital screens emit, blue light filtering coatings help to relieve eye strain and maybe enhance the quality of sleep. The use of digital devices is growing, and this kind of coating is becoming more and more popular.​

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Hoya is well known for its cutting-edge digital surfacing technologies and lens coatings. Their lenses are renowned for their outstanding durability and clarity, meeting a wide range of visual requirements.​

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Nikon uses its optical expertise to create premium lenses for glasses with cutting-edge technology, such as the Presio progressive lens line, which is renowned for its remarkable visual performance and comfort.​

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KODAK provides a selection of premium lenses, including options for progressive and single vision. They use cutting-edge designs in their products, such as the KODAK Unique Lens, to improve the visual experience.

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ZEISS is a globally recognized technology company that works in the optoelectronics and optics sectors.

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malaysian association of practising opticians

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ZEISS VISION CENTER | MALAYSIA by Eyez Optometry

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ZEISS Vision Centre Malaysia provides a one-stop service and offers a balanced approach to all aspects of optometry including frames, lenses, eye examination.

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Essilor International, a French multinational corporation, is a leader in the design, manufacture, and distribution of ophthalmic lenses and optical equipment. The company was founded in 1972 from the merger of Essel and Silor, two companies with roots dating back to the 19th century.

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An optical lens known as a photochromic lens darkens when exposed to light with a high enough frequency, especially ultraviolet (UV) radiation. The lenses revert to their clear state when there is no activating light present.

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1. Gordon. (2023, July 18). Top 15 Global Lens Manufacturers: Superior quality. Online Glasses Guru. https://onlineglassesguru.com/top-15-global-lens-manufacturers-superior-quality/

2. Heiting, G., OD. (2019, February 27). Bifocals and trifocals: Solutions for “short arms” All About Vision. https://www.allaboutvision.com/lenses/multifocal.htm

3. Home | HOYA Vision Care. (n.d.). Hoya Vision. https://www.hoyavision.com/my/

4. MarketResearch.com. (n.d.). https://www.marketresearch.com/Williams-Marshall-Strategy-v4196/Malaysia-Spectacle-Lenses-Size-Trends-35825119/

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TITLE: Spectacle & lenses in Malaysia

NAME: Muhammad Arif Aiman Bin Azman

ID STUDENT: 2021454718

GROUP: HS2466A

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Surround the entire lens, providing maximum support and durability. They are available in a variety of materials and styles.

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Only cover the top part of the lenses, with the lower part being exposed. This design offers a balance between durability and a less obstructed view.

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The lenses are mounted directly onto the bridge and temples without a surrounding frame. These frames are very lightweight and provide a minimalist look.