» The purpose of this article is to simply summarize what you need to do to purchase your first pair of glasses online. I am going to not recommend particular stores, as you will get that info in several of my other articles and also check out the links on the right of the page. Purchasing eyewear online seems daunting at first. If you are like me, purchasing and fitting prescription glasses always appeared like a complex method best kept to professionals. Reading Glass
The simple truth is, if you understand your prescription and have your existing rx glasses helpful, it is actually quite simple to buy glasses online.
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First, find Reading Glass
your current prescription. I keep mine in medical file in my filing cabinet. If you cannot find your prescription, visit wherever you last had your eyes examined and ask for a duplicate. Your optician, optometrist, or ophthalmologist is required by law to release your eyewear prescription for you. You now need to make note of a few critical bits 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 statistics, there is yet another critical number, the Pupillary Distance, or PD. That is a measure, in millimeters, of the area between your eyes. Reading Glass
In the example prescription above, you’ll see the Pupillary Distance of the individual is 62. Write down this quantity also, it’s the seventh of your seven critical figures.
A slightly less critical amount is your temple period. If you’re blessed, you’ll also visit a temple span and bridge size in your prescription. If not, don’t sweating it, you can amount it out yourself. The temple duration describes the space of both bars that connect the eyeglasses to your ears. It is measured from where in fact the 90-degree curve from your zoom lens structure aside bars (temples) starts to the end of the temple, including 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, remove some measuring tape (ideally the sort of tape used for appropriate clothes and sewing, as it’s very flexible) and measure an existing pair of spectacles that fit comfortably. An average temple duration for men is 135mm or 145mm. For girls, 130mm to 140mm is standard. If the tape only has inches wide, measure to the nearest eighth or sixteenth and multiply that number by 25.4 to get the way of measuring in millimeters. Temple measures are generally available in 5mm increments, such as 130, 135, 140, 145, etc. For the most part online eye glasses stores, temple size is shown in just a frame description and it is not customizable. Therefore, you need to find a frame with an appropriate temple size. This sometimes varies if you are at a site focusing on designer glasses, where you have the choice to source your own temple size.
Seriously, temple size is not a huge deal. I have one couple of eyeglasses with 135mm temples and another with 140mm temples. Both pairs fit pleasantly. 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 man and 135mm temples if you are a female. It’s likely that, this duration will fit pleasantly.