High Index Lenses Vs Polycarbonate Reddit. Because of their durability. polycarbonate lenses are much less likely to break or fracture than even high index lenses. If you know you are going to be tough on your glasses. or if your child needs glasses. consider polycarbonate.
Are Tokai 1.76 Lenses Really This Good? optometry reddit.com
In terms of balancing price and quality. 1.59 index polycarbonate lenses accommodate most prescriptions and are extra durable. High index plastic is much lighter than high index glass. even though high index glass lenses are often thinner. Here is a list of some important differences between high index plastic lenses and high index glass lenses:
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Do i need high index lenses? Our 1.6. 1.67. and 1.74 index lenses can all be considered high index.
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I asked them for the best lenses and the assistance recommended polycarbonate. And that is the basic difference between 1.67 and 1.74 high index lenses:
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High index plastic is much lighter than high index glass. even though high index glass lenses are often thinner. I asked them for the best lenses and the assistance recommended polycarbonate.
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The higher the prescription. the higher index should be lens choices. Lenses with a refraction index of 1.7 or higher are at least.
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If you work in a machine shop or something you should be wearing safety goggles instead. anyway. Thinner lenses are lightweight (and more stylish!) and can accommodate many kinds of vision needs. including higher prescriptions.
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As far as safety. thousands of people walk around in high index lenses and theyre fine. unless you do something that puts your eyes at particular risk. They’re also ideal for strong prescriptions since they do not add thickness when correcting vision. minimizing any distortion.
They Are A Lot Less Dense. And They Dont Chip As Easily As A Plastic Lens.
Do i need high index lenses? No matter which you choose. your high index lenses are going to be thinner. lighter. more attractive. and more scratch resistant than standard plastic lenses. Also consider that polycarbonate is much more shatter resistant. tends to scratch less easily. and is much less prone to cracking (if you use frameless lenses. polycarbonate is a good.
Individuals With A Relatively Strong Prescription May Find High.
They are also the only choice if you’re looking to get transitions. The latter is simply thinner. and lighter. than the former. If you work in a machine shop or something you should be wearing safety goggles instead. anyway.
Thinner Lenses Are Lightweight (And More Stylish!) And Can Accommodate Many Kinds Of Vision Needs. Including Higher Prescriptions.
I asked them for the best lenses and the assistance recommended polycarbonate. They’re also ideal for strong prescriptions since they do not add thickness when correcting vision. minimizing any distortion. This means that they will be thinner than high index plastic. but they may also have some optical.
If You Got Polycarbonate And You Had A Higher Index Material Previously This Could Be The Reason Why Everything Doesn’t Seem As Crystal Clear.
When the refractive index is 1.70 or more. the lens is generally at least 50 percent thinner compared to a conventional plastic lens. Because of their durability. polycarbonate lenses are much less likely to break or fracture than even high index lenses. The higher that number. the thinner the lens will be even with the strongest types of prescriptions.
These Ultra Thin Lenses Are 20% Thinner Than Polycarbonate Lenses And 30% Thinner Than The Regular Lenses.
Still a popular option today. polycarbonate lenses are tough. lightweight. and an ideal option for children’s eyewear. I heard high index were good so i asked for that and she said it is basically polycarbonate but thinner and clearer. so i opted for that. I have been using high index glass not polycarbonate for quite some time.