Question: How do I get my prescription?
Answer: If you do not know your prescription, you can visit your local optician or optometrist and ask them to conduct an eye test. When you are finished, be sure to ask for a copy of your full prescription.
Eye tests are available at most opticians, however please be aware that not all opticians offer one-time eye tests. Please make sure that your eye test is comprehensive (which should include the use of an eye chart) and that you leave with all of the relevant information:
- The sphere (S, SF or SPH) and/or cylinder value of each eye (C or CYL).
- If there is a cylinder value, then there must also be an axis value (A, As, AXI, AXS or AXIS).
Question: How do I submit my prescription?
Answer: Firstly, choose the frame style and color you like. You will see on the product's page a tab called "Select Lens Type", click on tab and you will find lens options.Simply tick this box and options will appear.
You can either:
- Upload an image of your prescription
- Enter the values of your prescription using a simple dropdown menu
Question: Can you fill strong prescriptions?
Answer: You bet we can!
Single-vision Rx:Up to -20.00 or +12.00 on the Sphere (SPH).Up to + or - 6.00 on the Cylinder (CYL).
Bifocal Rx:Up to -9.00 or +6.00 on the SPH.Up to + or - 6.00 on the CYL.Up to +3.50 on the NV-ADD.
Progressive Rx:Up to -10.00 or +8.00 on the SPH.Up to + or - 6.00 on the CYL.Up to +3.50 on the NV-ADD.
Prism (single-vision only):Up to 5.00 in any base direction.
Question: What does my prescription (Rx) mean?
Answer: Your Rx is what an ophthalmologist (an MD) or optometrist (a doctor of optometry) provides to correct your vision with a pair of eyeglasses with corrective lenses.
(You need an Rx written specifically for eyeglasses; an Rx for contact lenses will not work for eyeglasses!)
An Rx will have horizontal rows or vertical columns. The top row or first column will always be for the right eye, abbreviated as OD. The second row or column will always be for the left eye, abbreviated as OS.
Each row of an Rx has three main sections: Sphere (SPH), Cylinder (CYL), and AXIS. The SPH section corrects nearsighted or farsighted vision. The CYL and AXIS sections correct an astigmatism.
There may also be a fourth section on the Rx , NV-ADD (for Near Vision-Reading ADDition), which could be used to order a pair of bifocal or progressive glasses with a close-up vision section in the bottom part of the lens.
The SPH, CYL, and NV-ADD numbers will always have a plus or minus sign.
Question: What is my pupillary distance (PD) and how do I get it?
Answer: Your pupillary distance (PD) is the measurement of the distance between your pupils.
This is needed for the manufacturer of the eyeglasses to know where to place the optical center on each lens, so you can see well with the glasses.
Am I a single PD or dual PD?
A single PD it is the measurement, in millimeters, from the center of one pupil to the center of the other.
A dual PD is the measurement of the center of each pupil to the center of the bridge of your nose.
Question: Do you offer bifocal or progressive lenses?
Answer: Currently we don’t offer them on them on the website, but please contact Support@syghtglass.com if you want us to make custom bifocal or progressive lenses for you! We'll be happy to help!
Question: Can I use my contact lens prescription to order glasses?
Answer: Sorry, a contact lens Rx can only be used for contact lenses.
Question: What if my prescription has expired?
Answer: We strongly recommended that you get an eye exam every two years, or more frequently if you notice that your vision has changed.
Question: What do the Lens Index numbers mean?
Answer: The Lens Index number (1.50, 1.57, 1.53, 1.59, 1.61, 1.67, or 1.74) refers to the degree of refraction the lens provides. This means how much the light that enters the lens is refracted (bent) as it passes through the lens. Lens Index is also related to the thickness of the lens. The higher the index, the thinner the lens will be. People with higher prescriptions should choose high-index lenses.
Question: How do I get thinner lenses?
Answer: Glasses tend to get quite thick at high correction, especially some low index (1.50) lenses.
At the same time, there is less need for a high index if you have a very low prescription. If you are already at -2.00 diopters or less, spending the extra money will make no noticeable difference for you. A mid index 1.57 is plenty in this -2.00 diopter scenario.
Once you get close to -5.00 diopters, moving the index higher to a 1.61 is a good idea, if it fits your budget.
From there, if you have a prescription over -6.00 diopters, a 1.67 high index lens is a worthwhile upgrade. It is with those thicker lenses at higher prescriptions, that we start to experience optical distortion that is notable when wearing that correction for many hours every day.
Optical distortion, increasing as you increase prescription strength, adds unwanted eye strain.
At -8.00 diopters or more, you will want to spend the extra, and go all the way to a 1.71 high index.
Question: How long does it take to get my prescription glasses?
Answer: Glasses can take from 3 - 5 days, depending on the prescription, special finishes, etc. We are committed to providing your eyewear in the least amount of time possible without sacrificing our high - quality standards. To accommodate the many product enhancements that are now available, special processing is sometimes required. These orders are typically processed within 7 - 14 business days.
Question: What lens coatings do you sell?
Answer: All Syght eyeglasses come with Anti-blue light (also known as blue light filter) Coatings, which block the blue light from digital screens/LED lights while you are wearing your glasses. We also offer Anti-Scratch Coating and UV Protection Coating.
Question: Can you replace lenses if I send you my frame?
Answer: Sorry, we don't provide lens replacement.
What People Are Saying About Syght Glass
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