As technology advances so do eyeglass lenses. In the past, eyeglass lenses were made exclusively of glass. Today, most eyeglasses are made of high-tech plastics. These new lenses are lighter, do not break as easily as glass lenses, and can be treated with a filter to shield your eyes from damaging ultraviolet light. All lenses at San Anselmo Optometry both Sunglasses AND Clear lenses provide UV protection.
The quality of prescription lenses can widely vary. San Anselmo Optometry uses only lenses with the highest optical standards the best anti-reflective properties and offers the thinnest lenses available. Dr. Larry Harrison and Royce Kakar, Optician, work with each patient to determine the best eyeglass lenses to suit their new eyewear and their individual needs.
These eyeglass lenses are impact-resistant and are a good choice for people who regularly participate in sporting activities or in an environment where safety is needed. We always use polycarbonate in children's eyewear for safety.
These lenses are made from a newer plastic with similar characteristics of polycarbonate lenses. It is lightweight, thin, and impact-resistant and may result in better vision correction than the polycarbonate lenses for some people.
ULTRA-THIN HIGH INDEX LENSES
These eyeglass lenses are the lightest and thinnest lenses available and give optimum visual quality. We typically recommend high index lenses for best comfort, appearance and optical performance.
Progressive lenses provide both distance, intermediate and close vision in a natural progression of power without any visible line. There are over 100 patented progressive lens designs - some are made very poorly and increase optical distortions which cause adaptation problems. At San Anselmo Optometry we use only the very best easy to adapt designs for our patients.
Proper lens design and accurate measurements by experienced optician, Royce Kakar will insure that these lenses are successful for you. We use only the best quality progressives from manufacturers like Nikon, Zeiss, Hoya, Shamir and Varilux to name a few.
SPECIALTY LENSES FOR DIGITAL AND COMPUTER USE
Often using a computer requires a specialized design lens to reduce the eye strain imposed by long term computer work. By designing a special computer eyeglass prescription optimized for desktop or laptop computer work, often eye strain is reduced
PHOTOCHROMIC LENSES - TRANSITIONS
Photochromatic lenses change from clear to sunglass dark when exposed to sunlight. However, these lenses do not darken well in a car because the windshield blocks the ultraviolet rays from the sun. Therefore, we recommend a dedicated pair of sunglasses with your prescription.
PRESCRIPTION UV SUNGLASSES
Most of our non prescription sunglasses ( like Rayban or Wiley ) can be fabricated with your own prescription. In addition, incorporating a polarization aspect within your sunglasses will considerably reduce glare.
ANTI-GLARE OR ANTI-REFLECTIVE COATINGS
If glare becomes a problem, consider an anti-reflective coating applied to new eyeglasses. Anti-reflective coating will reduce reflections, decrease halos around light, and create a nicer cosmetic appearance. There are many different brands of anti-reflection coatings. Poor coatings come with a hard to clean surface and only 1 layer of anti-reflection coatings applied. We only use the very best Anti-Reflective coatings which have 5 layers thinner than the wavelength of light on each side of the lens to reduce glare and also clean easy and are the most scratch resistant.
All lenses at San Anselmo Optometry provide built-in scratch resistant coatings which provide the best surface against any scratches. We do recommend you use the cleaning cloth we provide and also the lens cleaner we provide you.
Remember, you have a full 2 Year Warranty against any scratches at our office.
UV LENS PROTECTION
All lenses both sunglasses AND clear everyday lenses at San Anselmo Optometry include ultraviolet protection against harmful UV sun rays. UV radiation has been shown to increase dry eyes, retinal issues and cataract formation.
Dr. Larry Harrison Marin's Family Eye Doctor Royce Kakar, Optician
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