Arachnophobics, worry not — SPDRs aren’t at all what they sound like, and they’re certainly not as scary. If you’re in the process of learning more about investing, you might have ...The lens index describes the thickness of your lens. At Eyebuydirect, we use the following lens materials for these lens indexes: 1.5 – Plastic; 1.57 – Plastic; 1.59 – Polycarbonate; 1.6 – Plastic; 1.67 – High-index 1.74 – High-index LEARN MORE: Find the recommended lens index for your vision prescription. High-Index Lenses vs ...High Index "necessary" for these kinds of frames? I've been trying to find semi-large circular lenses to little success, though I did find one pair that I actually liked. However I'm worried that my high prescription (-5.50 right, -5.25 left) might benefit more from a higher index. (1.61 vs 1.67). Though that makes the lenses about …So I figured I'd order another pair from Zenni and see how I like them. The thing is, I'm torn between the 1.61 and 1.67 high index range. My right eye is still safely in that "1.61 is fine" range, but the left eye obviously requires a thicker lens. Because they wouldn't be my day-to-day glasses, however, I'm leaning towards getting the cheaper ...I'm buying glasses for the first time from Zenni and 1.74 high index lenses are recommended for my prescription (-12.50/-13.25). They also have UV/blue light blocking lenses they call Blokz, but they only come in a 1.67 high index lens. I get migraines at least once every week or two and become sensitive to light during …Learn the difference between 1.61 & 1.67 High-Index Lenses before you buy an incorrect prescription glasses.Jul 5, 2022 · The 1.67 High-Index lenses are 30% thinner than 1.50 Standard Index lenses with the same prescription. For higher prescriptions, this lens material and index works well due to its reduced weight and edge thickness. 1.74 High Index. 1.74 High-Index lenses are the thinnest and lightest lenses you can buy from Payne Glasses. The prime numbers less than 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97. A prime number is any number that is only di...OD: -2.50 -0.75 * 178. OS: -4.25 -1.25 * 005. The optometrist suggested that I pick between 1.61 and 1.67, so I purchased 1.67 Zeiss AS DP lenses for 49 []21 glasses since I figured that the thinner the better... was this overkill? After I got home I'm reading through ABBE values and eye strain due to higher index lenses and I'm getting cold feet.방문 중인 사이트에서 설명을 제공하지 않습니다.Mar 19, 2024 · Assuming that light travels from air to glass, the angle of incidence is 30°, and the angle of refraction is 20°. To calculate the refractive index, follow these steps: Identify the refractive index of air: n ₁ = 1. Modify Snell's law to find the refractive index of glass: n ₂ = n ₁sin (θ₁)/sin (θ₂). Enter data: n ₂ = 1×sin (30 ...Cons of 1.50 Lenses. Lower index of refraction: While the lower index of refraction in 1.50 lenses provides them with a wider field of vision, it also means that they are not as efficient in bending light. This can result in thicker lenses for individuals with higher prescriptions, leading to a less appealing aesthetic appearance.Also, no such thing as 1.5 polycarbonate. It's either CR39 1.5 index (very good material) or polycarbonate (1.59 index, worst possible material for optical clarity) Standard 1.5 is sufficient. If you want the lenses really thinned (depending on the frame choice). 1.6 is better.Do you know the differentiation between various lens flash? Go this article to learn more about books of refraction measurements for my eyeglasses. x Blue Light Blocking Glassware BOGO 40% OFF BOGO 40% OFF. WOMEN. Women's Glass. All Women's Glasses. Cat-Eye Eyeglasses. New Arrivals. Best Sellers. $5. ... OD: -2.50 -0.75 * 178. OS: -4.25 -1.25 * 005. The optometrist suggested that I pick between 1.61 and 1.67, so I purchased 1.67 Zeiss AS DP lenses for 49 []21 glasses since I figured that the thinner the better... was this overkill? After I got home I'm reading through ABBE values and eye strain due to higher index lenses and I'm getting cold feet. oniononon. • 5 yr. ago. The power in your left lens is that high that I'd have gone for 1.67 as well. I have five pairs of glasses with 1.6 index lenses and one pair of sunglasses with …Higher prescriptions require high index lenses to keep them thin and light. The higher a lens’ index number, the thinner it becomes. High index lenses tend to be very stylish and lightweight and are meant …1.67 High Index – finished AR coated 1.67 UVProtect DuraVision Platinum UV Aspheric 4 – 7 1.67 UVProtect DuraVision Blue Protect UV Aspheric 8 – 11 1.67 HMCx Aspheric 12 – 15 1.67 High Index – finished …Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with …Welcome to the April 2022 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Explorer file nesting - Nest generated files under source files in the Explorer. Settings editor filters - Filter button brings up searches such as @Modified settings.The Basic Difference Between 1.67 and 1.74 High Index Lenses. Because of the above reason, many individuals who wear glasses choose high index lenses as their …Dec 7, 2023 · Overview of high-index lenses. High-index lenses are thin, lightweight lenses made from a special type of plastic. To be considered high-index, a lens must have a refractive index of at least 1.60. The higher the refractive index, the thinner the lens and the more effectively it bends light. 1.67 High Index – finished AR coated 1.67 UVProtect DuraVision Platinum UV Aspheric 4 – 7 1.67 UVProtect DuraVision Blue Protect UV Aspheric 8 – 11 1.67 HMCx Aspheric 12 – 15 1.67 High Index – finished …This is due for a variety of reasons, but essentially, it comes down to the fact that 1.67 high index lenses are made of higher quality. It takes longer to manufacture these lenses, and because of this, the higher quality is reflected in the price. There isn’t all bad news, however. 1.67 high index lenses can offer the best of both worlds.Sep 12, 2023 · BY Dr. Sophia Moh. IN Lenses. Sep 12, 2023. High index lenses have revolutionized the world of eyewear. But what exactly are they? High index lenses (1.61, 1,67, 1.74) are lenses that are made from materials with a higher refractive index than traditional lenses (1.50 Standard Index). Between -4.00 and -6.00 we’d recommend a lens with a refractive index of 1.67, and any prescriptions over that a lens with a refractive index of 1.74 will be more suitable. If your prescription is over -5.00 we’ll need an accurate measurement of the distance between your pupils, often referred to as the PD or pupillary lens distance. We use FIB-4 as an initial assessment. In chronic HCV, when combined with APRI, it has excellent negative predictive value for excluding advanced fibrosis. The positive predictive value is less clear. Those with FIB-4 >1.5 and/or APRI >0.5 often go on to liver elastography. There are no data on the use of FIB-4 in someone who has been treated ... Between -4.00 and -6.00 we’d recommend a lens with a refractive index of 1.67, and any prescriptions over that a lens with a refractive index of 1.74 will be more suitable. If your prescription is over -5.00 we’ll need an accurate measurement of the distance between your pupils, often referred to as the PD or pupillary lens distance. If you’re moderately, or very short-sighted you’ll benefit from thinner lenses as the edge thickness of your lenses will be more visible. Lenses with a refractive index of 1.6 are ideal for prescriptions where the – value of your SPH prescription is between -2.50 and -4.00. Between -4.00 and -6.00 we’d recommend a lens with a refractive ...1.61 vs. 1.67 vs. 1.74 High Index Lenses. 1.61 High Index Lenses. Moderate Prescription Strengths: Ideal for those with mild prescriptions (less than +/- 2.00) Thinner and Lighter: Offers a significant reduction in thickness and weight compared to standard 1.50 CR39 lenses.There are a few other key differences between the strengths of high index lenses. One is the cost: 1.74 lenses can be significantly more expensive than their 1.67 brethren. Perhaps because of this, and the corresponding higher demand for 1.67s, there are more options available for the 1.67s. There are often more colors available for sunglasses ...Jan 25, 2022 ... Have a strong prescription? High index lenses may be for you. SportRx breaks down the pros and cons, and if they're right for your ...Are you a classic car enthusiast in search of the iconic 67 Chevelle? Look no further. In this ultimate guide, we will provide you with valuable tips and tricks to help you find th...If you’re a classic car enthusiast, there’s no doubt that the 67 Chevelle holds a special place in your heart. This iconic muscle car is known for its sleek design, powerful engine...Light-reactive lens that blocks 100% UV rays and filters harmful blue light. Transitions® Signature® Gen 8™. Fully clear indoors, quickly darken outdoors, block 100% UV rays, and filter harmful blue light. Transitions® XTRActive Polarized™. Clear with a hint of protective tint indoors, dynamically polarize to …See full list on visioncenter.org Refractive Index 1.60 MR-8™/MR-160DG™. This lineup is standard high R.I. lens materials. MR-8™ has a high abbe number, means minimal chromatic aberration in the visual periphery. and an ideal balance of properties such as impact resistance and thermal resistance. MR-160DG™ is made from plant-derived lens materials …Learn the difference between 1.61 & 1.67 High-Index Lenses before you buy an incorrect prescription glasses.Eyeglass professionals recommended them for people who look modern with a prescription of +/- 4.00 to +/- 6.75 and CYL correction between +/- 2.25 to +/- 3.00. 1.67 Ultra High Index. Ultra-High index lenses are made of a dense material, which allows them to block 100 percent of UV rays and resist scratches.Aug 16, 2019 · The lens index describes the thickness of your lens. At Eyebuydirect, we use the following lens materials for these lens indexes: 1.5 – Plastic; 1.57 – Plastic; 1.59 – Polycarbonate; 1.6 – Plastic; 1.67 – High-index 1.74 – High-index LEARN MORE: Find the recommended lens index for your vision prescription. High-Index Lenses vs ... The most affordable of the higher Index lenses and very tough compared to CR39. As this material is around 15% thinner and 20% lighter than the 1.5 it offers an ...AR-coated high-index lenses transmit up to 99.5% of light to the eye for optimum vision. And because AR coating virtually eliminates lens reflections, it makes high-index lenses look nearly invisible. Others see your eyes, not distracting reflections in your lenses. Also, high-index lenses with AR coating can give you sharper night vision than ...방문 중인 사이트에서 설명을 제공하지 않습니다. 1.61 High index lenses are up to 20% thinner than 1.50 Standard index lenses. 1.67 High index lenses are up to 30% thinner than 1.50 Standard index lenses. Stronger prescriptions: They are recommended for individuals with high myopia or hyperopia, providing optimal vision correction while minimizing lens bulkiness. Sep 10, 2018 ... ... 1.61 - Reco. power -5.00 to -8.00 4. 1.67 ... High index lenses 1.56 Vs 1.74 | -5.50 Power | High Index Glasses ... index Lenses | -14.00 | High ...Aug 10, 2019 ... These are the same frames and same Rx(-17) with 1.56, 1.67, 1.74 index lenses.Percent change = new / old * 100 - 100. where new is the newer quantity or measure, and old is the older quantity or measure. In the above example this would be 80 / 64 * 100 - 100 = 1.25 * 100 - 100 = 125 - 100 = 25%. Your monthly percentage change (percent growth, percent increase) from 64 to 80 was thus 25 percent versus the baseline from ...1.67 High Index 1.67 high-index lenses surpass in thinness and lightness when compared to 1.61 high-index lenses. It helps with eye distortion caused by stronger prescriptions and is ideal for individuals with an SPH correction between +/- 7.00 and +/- 9.00, and a CYL correction between +/- 3.25 and +/- 4.00.Feb 26, 2020 · High-index materials are denser than lower-index polycarbonate, which means they result in thinner lenses in order to refract light accurately. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. Translation: high-index is the smart option for stronger prescriptions. A lens is high-index when the refractive index exceeds that of plastic or glass, as are used in most traditional materials. The general range of refraction is around 1.53 to 1.74. When the refractive index is 1.7 or more, the lens is usually about 50% thinner than it’s glass or plastic counterpart would be.Dec 6, 2021 · In this section, we will show you the differences between 1.67 high index lenses and 1.74 high indexes. 74 high index lenses are thinner and lighter than 1.67 high index lenses. 74 high index lenses are expensive than the 1.67 high index lenses. Both 1.67 and 1.74 high index lenses can reduce the eye distortion caused by strong prescriptions, 1 ... 1.67 High Index – finished AR coated 1.67 UVProtect DuraVision Platinum UV Aspheric 4 – 7 1.67 UVProtect DuraVision Blue Protect UV Aspheric 8 – 11 1.67 HMCx Aspheric 12 – 15 1.67 High Index – finished …1.67 High Index Lenses are typically 35% thinner than ordinary CR39 plastic. 1.74 High Index Lenses are normally 50% thinner than ordinary CR39 plastic. High-index lenses can improve lens comfort and appearance, and may even open the entranceway to a larger variety of frames. High-index lenses may be just the answer you have been searching for.A lens is high-index when the refractive index exceeds that of plastic or glass, as are used in most traditional materials. The general range of refraction is around 1.53 to 1.74. When the refractive index is 1.7 or more, the lens is usually about 50% thinner than it’s glass or plastic counterpart would be.Welcome to the April 2022 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: Explorer file nesting - Nest generated files under source files in the Explorer. Settings editor filters - Filter button brings up searches such as @Modified settings.In your case though, I wouldn't recommend it. While I would also recommend 1.74 hi index for your Rx strength, having the ability to make adjustments and such needed is going to make a world of a difference for you. In your case, having your eyes centered on the lens is going to be more important than for someone with a …Also, no such thing as 1.5 polycarbonate. It's either CR39 1.5 index (very good material) or polycarbonate (1.59 index, worst possible material for optical clarity) Standard 1.5 is sufficient. If you want the lenses really thinned (depending on the frame choice). 1.6 is better.The most common types of high-index lenses have refractive indexes of 1.61, 1.67, and 1.74. What’s the Difference Between High-Index and Polycarbonate …High index lenses have a refractive index of 1.53–1.74. Polycarbonate, which has a refractive index of 1.59, offers a mix of strength and thinness. Many companies offer polycarbonate lenses for ...Blue Light Glasses. Customize your Blokz ® blue light blocking glasses with lenses starting at just $16.95, and experience exceptional eye protection tailored to you. In today's digital world, screens, artificial light, and the sun are unavoidable. But you can defend your eyes against excessive blue light exposure with Blokz ® lenses.1.67 High Index – finished AR coated 1.67 UVProtect DuraVision Platinum UV Aspheric 4 – 7 1.67 UVProtect DuraVision Blue Protect UV Aspheric 8 – 11 1.67 HMCx Aspheric 12 – 15 1.67 High Index – finished …They currently come in indices of 1.61, 1.67, and 1.74. All three lenses are made with similar materials, so the choice of the index comes down to your prescription strength. A 1.67 high-index lens is best for +7.00/-9.00 or above. It can even be a good choice for people with low prescriptions who want the additional lens …The 1.61 High-Index is an extra $35, and sounds more brittle and less scratch resistant. Prescription L: -1.25 sph, -0.75 cyl, 180 axis R: -1.75 sph, -0.75 cyl, 180 axis I also saw one old comment claiming "1.56 is a s*** material that you will usually only find at cheap online retailers" - not sure if true. Thanks ... I'm buying glasses for the first time from Zenni and 1.74 high index lenses are recommended for my prescription (-12.50/-13.25). They also have UV/blue light blocking lenses they call Blokz, but they only come in a 1.67 high index lens. I get migraines at least once every week or two and become sensitive to light during these. Percent change = new / old * 100 - 100. where new is the newer quantity or measure, and old is the older quantity or measure. In the above example this would be 80 / 64 * 100 - 100 = 1.25 * 100 - 100 = 125 - 100 = 25%. Your monthly percentage change (percent growth, percent increase) from 64 to 80 was thus 25 percent versus the baseline from ...Dec 13, 2019 ... Lensa kacamata dengan ukuran power sama, frame yang sama tetapi dipasangi lensa beda index 1.56 vs 1.67. Bagaimana hasilnya?Feb 19, 2021 · Zenni Optical offers three types of high index lenses: 1.61 at an additional cost of $19.95. 1.67 at an additional cost of $34.95. 1.74 at $74.95. So, if you need the high index lenses, you’re ...The prime numbers less than 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97. A prime number is any number that is only di...3 days ago · Birefringence is a measurement of the difference between the two refractive indices in gems that are doubly refractive, and it ranges from a low of .003 to a high of .287. The following chart lists the refractive indices for 215 varieties of gemstones. Refractive Index Chart of all Gemstones Gemstone1.61 vs. 1.67 vs. 1.74 High Index Lenses. 1.61 High Index Lenses. Moderate Prescription Strengths: Ideal for those with mild prescriptions (less than +/- …In your case though, I wouldn't recommend it. While I would also recommend 1.74 hi index for your Rx strength, having the ability to make adjustments and such needed is going to make a world of a difference for you. In your case, having your eyes centered on the lens is going to be more important than for someone with a …방문 중인 사이트에서 설명을 제공하지 않습니다.1.5 Standard. 1.56 Mix-Index. 1.57 Thin and Light Index. 1.59 Standard Polycarbonate and High Index. 1.74 High Index Lenses are the thinnest and lightest. …Transitions® XTRActive® Polarized™ lenses range from $121.95 to $214.95 for Single Vision and from $168.95 to $261.95 for progressives. If you are looking for an even more affordable option, Zenni offers its own line of photochromic lenses, starting at $38.95. Another option is Vision-Ease LifeRx® lenses, starting at $72.95.The prime numbers less than 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97. A prime number is any number that is only di...1.61 vs. 1.67 vs. 1.74 High Index Lenses. 1.61 High Index Lenses. Moderate Prescription Strengths: Ideal for those with mild prescriptions (less than +/- …High index lenses are thinner, lighter, and more appealing than standard lenses, but they come in several different indexes.. If you’re shopping for high index lenses and aren’t sure whether to go for 1.67 or 1.74, we have some information that might help you with your decision.. The main differences between these two lenses are …The following table lists these values for selected gemstones. For gemologists, refractive index and double refraction ( birefringence) serve as important clues for identifying gems. The following table lists these values for a variety of stones found in jewelry and gem collections. Rubies and spinels may show similar colors.Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with …Versus the 1.6 lens could be more optically clear, but will undoubtedly be heavier and not impact resistant . The thinnest option available and designed for people that have the best prescriptions, 1.74 high index lenses are the optimal choice should you have a high prescription. 1.67 high index lenses are incredibly thin and light, … However I'm worried that my high prescription (-5.50 right, -5.25 left) might benefit more from a higher index. (1.61 vs 1.67). Though that makes the lenses about $40 more expensive. These are about 55mm wide lenses, is there a way to estimate how thick the lenses would be? Am I asking too much out of these frames for such a high prescription? The 1.61 are 20% thinner than 1.50 Standard Index lenses and are recommended for full-rim or semi-rimless frames. These work well for prescriptions …If you’re a classic car enthusiast, there’s no doubt that the 67 Chevelle holds a special place in your heart. This iconic muscle car is known for its sleek design, powerful engine...Sep 12, 2023 · BY Dr. Sophia Moh. IN Lenses. Sep 12, 2023. High index lenses have revolutionized the world of eyewear. But what exactly are they? High index lenses (1.61, 1,67, 1.74) are lenses that are made from materials with a higher refractive index than traditional lenses (1.50 Standard Index). One of the first successful 1.6 high-index lenses introduced was made from MR-6 material (1987). With an index of 1.594, Abbe of 36 and specific gravity of 1.43gms/ cc3, it made for a thinner and lighter lens. This material also had the added benefit that 100 percent UV absorption was built in.Feb 5, 2020 · The Blokz by Zenni (starting at $17 plus frame cost) are virtually clear lenses for all-day, everyday use, designed to protect your vision from the blue light emitted from our digital devices that ...
Our 1.74 high index lenses are offered at a more affordable price with a long list of value adds: anti-scratch, and 100% UV protection. Available at $76.95. Our 1.74 high index digital free form lenses use leading technologies in the eyeglasses market. Now at $84.95. Our 1.74 digital free form progressive (no-line, multi-focal) lenses …. Swipe games
Percent change = new / old * 100 - 100. where new is the newer quantity or measure, and old is the older quantity or measure. In the above example this would be 80 / 64 * 100 - 100 = 1.25 * 100 - 100 = 125 - 100 = 25%. Your monthly percentage change (percent growth, percent increase) from 64 to 80 was thus 25 percent versus the baseline from ...Nov 23, 2022 · From high-index and polycarbonate lenses, there's a lot to consider when choosing a lens type. That’s why we created this guide on high-index vs. polycarbonate lenses. Focusing on these two commonly used lens materials, you’ll learn their pros and cons to decide which eyeglass lenses you should choose. High-Index vs. Polycarbonate Lenses 101 If you were to compare them to a pair of glasses with Trivex lenses of the same prescription, you’ll find that high-index lenses are always thinner and even lighter in higher prescriptions. Weight High index lenses are lighter. Trivex lenses have a lower refractive index of 1.53 as compared to high-index lenses having 1.67 to 1.74. Polycarbonate 1.59 Lenses: The most impact-resistant lenses for eyeglasses. They are 22% thinner than standard lenses and are recommended for children and sports, as well as prescriptions of +/- 4.00. 1.6 Index Lenses: High index lenses up to 25% thinner than the standard lenses. Recommended for prescriptions of -4.00 to +3.00.Versus the 1.6 lens could be more optically clear, but will undoubtedly be heavier and not impact resistant . The thinnest option available and designed for people that have the best prescriptions, 1.74 high index lenses are the optimal choice should you have a high prescription. 1.67 high index lenses are incredibly thin and light, …Dec 6, 2021 · In this section, we will show you the differences between 1.67 high index lenses and 1.74 high indexes. 74 high index lenses are thinner and lighter than 1.67 high index lenses. 74 high index lenses are expensive than the 1.67 high index lenses. Both 1.67 and 1.74 high index lenses can reduce the eye distortion caused by strong prescriptions, 1 ... Polycarbonate Lenses: Pros & Cons. Polycarbonate lenses are 10 times stronger than glass or traditional plastic lenses. Best of all, this strength doesn’t affect their weight. The lenses are extremely light and comfortable to wear for long periods of time. They are also much less likely to shatter and cause eye injury, making them an ideal ...Jun 30, 2021 · High index lenses have a refractive index of 1.53–1.74. Polycarbonate, which has a refractive index of 1.59, offers a mix of strength and thinness. Many companies offer polycarbonate lenses for ... In your case though, I wouldn't recommend it. While I would also recommend 1.74 hi index for your Rx strength, having the ability to make adjustments and such needed is going to make a world of a difference for you. In your case, having your eyes centered on the lens is going to be more important than for someone with a …High index lenses have a refractive index of 1.53–1.74. Polycarbonate, which has a refractive index of 1.59, offers a mix of strength and thinness. Many companies offer polycarbonate lenses for ...Dec 7, 2023 · Overview of high-index lenses. High-index lenses are thin, lightweight lenses made from a special type of plastic. To be considered high-index, a lens must have a refractive index of at least 1.60. The higher the refractive index, the thinner the lens and the more effectively it bends light. Edit2, seems like trivex 1.53 is still clearer than the 1.57 zenni offers according to their Lens Index & Material Guide, but it still doesn’t tell me what the 1.57 is made of, they only specify trivex fo 1.53, CR39 for 1.5, polycarbonate for 1.59 and everything high index is “MR” Measurements of lens flatness (base curve) on 1.60 ZEISS ClearView FSV lenses compared to ZEISS SPH FSV lenses over a range of prescriptions (-5D, -3D, -1D, +1D, +3D, +5D with and without cyl -2D). Maximum reduction of 49 % of -5.00D with and without cyl -2D. Quantitative analyses by Technology & Innovation, Carl Zeiss Vision GmbH, 2020.OD: -2.50 -0.75 * 178. OS: -4.25 -1.25 * 005. The optometrist suggested that I pick between 1.61 and 1.67, so I purchased 1.67 Zeiss AS DP lenses for 49 []21 glasses since I figured that the thinner the better... was this overkill? After I got home I'm reading through ABBE values and eye strain due to higher index lenses and I'm getting cold feet. 1.61 High index lenses are up to 20% thinner than 1.50 Standard index lenses. 1.67 High index lenses are up to 30% thinner than 1.50 Standard index lenses. Stronger prescriptions: They are recommended for individuals with high myopia or hyperopia, providing optimal vision correction while minimizing lens bulkiness. .
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