Prescription Reading Glasses
Best Choices » The goal of this article is to simply identify what you need to do to buy your first couple of glasses online. I will not advocate particular sellers, as you will get that info in several of my other articles and also check out the links on the right of the site. Purchasing eyewear online seems daunting initially. If you are like me, purchasing and fitted prescription glasses always appeared like a complex method best left to professionals. Prescription Reading Glasses
The simple truth is, if you know your prescription and have your existing rx glasses handy, it is absolutely quite simple to buy glasses online.
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First, find Prescription Reading Glasses
your present prescription. I keep mine in medical file in my filing cabinet. If you cannot find your prescription, visit wherever you latest had your sight examined and request a backup. Your optician, optometrist, or ophthalmologist is necessary by law release a your eyewear prescription for you. You now need to make note of a few critical pieces of information from your prescription (see example above–click to enlarge). Among other information, you should see three columns on your prescription–sphere, cylinder, and axis.
In addition to these six volumes, there is yet another critical number, the Pupillary Distance, or PD. That is a measure, in millimeters, of the space between your sight. Prescription Reading Glasses
Inside the example prescription above, you’ll see the Pupillary Distance of the patient is 62. Jot down this amount also, it is the seventh of your seven critical statistics.
A somewhat less critical quantity is your temple span. If you’re lucky, you’ll also visit a temple duration and bridge size in your prescription. If not, don’t sweat it, you can determine it out yourself. The temple duration describes the space of the two bars that hook up the glasses to your ears. It really is measured from where in fact the 90-level curve from your lens structure to the side bars (temples) begins to the end of the temple, like the curve. It isn’t assessed from the flex point of the temples, because the “stub” between the flex point and zoom lens structure is not a standard size.
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Now, take out some measuring tape (preferably the kind of tape used for fitting clothes and sewing, as it’s very flexible) and assess an existing couple of spectacles that fit perfectly. An average temple size for men is 135mm or 145mm. For girls, 130mm to 140mm is standard. Should your tape only has inches, measure to the nearest eighth or sixteenth and multiply that number by 25.4 to obtain the dimension in millimeters. Temple lengths are usually available in 5mm increments, such as 130, 135, 140, 145, etc. For the most part online glasses stores, temple length is shown in a frame description which is not customizable. Therefore, you will need to find a frame with an appropriate temple size. This occasionally varies if you are at a site focusing on designer eyeglasses, where you have the option to input your own temple size.
Actually, temple size is not a huge deal. I have one couple of glasses with 135mm temples and another with 140mm temples. Both pairs fit perfectly. If for some reason you can’t come up with a temple measurement, don’t let that stop you from making an eyewear purchase online. Instead, simply choose 140mm temples if you are a guy and 135mm temples if you are a woman. Chances are, this length will fit pleasantly.