Bifocal Clear Reading Glasses
for Better Experiences » The goal of this article is to simply summarize what you need to do to purchase your first pair of glasses online. I will not recommend particular merchants, as you can find that info in several of my other articles and also check out the links on the right of this site. Purchasing eyewear online seems daunting initially. If you are like me, purchasing and installing prescription glasses always seemed like a complex technique best still left to professionals. Bifocal Clear Reading Glasses
The truth is, if you know your prescription and have your existing rx glasses helpful, it is actually quite simple to acquire glasses online.
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First, find Bifocal Clear Reading Glasses
your current prescription. I keep mine in the health file in my filing cabinet. If you cannot find your prescription, visit wherever you lastly had your sight examined and request a copy. Your optician, optometrist, or ophthalmologist is necessary by law release a your eyewear prescription to you. You now need to be aware 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 numbers, there is one more critical amount, the Pupillary Distance, or PD. This is a solution, in millimeters, of the area between your sight. Bifocal Clear Reading Glasses
Within the example prescription above, you will see the Pupillary Distance of the patient is 62. Jot down this quantity also, it’s the seventh of your seven critical statistics.
A slightly less critical quantity is your temple period. If you’re lucky, you’ll also see a temple span and bridge size in your prescription. If not, don’t sweat it, you can figure it out yourself. The temple size describes the length of both bars that hook up the eyeglasses to your ears. It is measured from where the 90-level curve from your lens structure to the side bars (temples) begins to the very end of the temple, like the curve. It isn’t measured from the flex point of the temples, because the “stub” between the flex point and lens structure is not a standard size.
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Now, take out some measuring tape (ideally the sort of tape used for fitting clothes and sewing, as it’s very flexible) and evaluate an existing pair of eyeglasses that fit easily. The average temple duration for men is 135mm or 145mm. For girls, 130mm to 140mm is standard. If your tape only has inches, measure to the nearest eighth or sixteenth and multiply that number by 25.4 to get the measurement in millimeters. Temple lengths are generally available in 5mm increments, such as 130, 135, 140, 145, etc. At most online glasses stores, temple duration is shown in just a frame description which is not customizable. Therefore, you will need to find a frame with a proper temple size. This sometimes varies if you are at a site specializing in designer glasses, where you have the choice to input your own temple size.
Honestly, temple size is not really a huge deal. I have one pair of spectacles with 135mm temples and another with 140mm temples. Both pairs fit easily. 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 easily.