Low Vision Reading Glasses for Better Experiences » The purpose of this article is to simply summarize what you need to do to buy your first couple of glasses online. I will not advocate 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 at first. If you are like me, purchasing and installing prescription glasses always seemed like a complex procedure best left to professionals. Low Vision Reading Glasses The simple truth is, if you understand your prescription and also have your existing rx glasses convenient, it is actually quite simple to buy glasses online.
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First, find Low Vision Reading Glasses your current prescription. I keep mine in medical file in my own filing cabinet. If you can’t find your prescription, visit wherever you last had your sight examined and demand a duplicate. Your optician, optometrist, or ophthalmologist is required by law to release your eyewear prescription for 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.
Low Vision Reading Glasses for Better Experiences » In the example above, these are abbreviated SPH. CYL. and AXIS. These three columns will have two rows, Right and Left. In the prescription above, this is simply abbreviated R and L. Many doctors instead use the latin abbreviations, that happen to be OD and OS. OD means right eyeball and OS means left eye.
Furthermore to these six statistics, there is one more critical amount, the Pupillary Distance, or PD. This is a solution, in millimeters, of the area between your eye. Low Vision Reading Glasses Inside the example prescription above, you will see the Pupillary Distance of the patient is 62. Jot down this number also, it’s the seventh of your seven critical numbers.
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Now, remove some measuring tape (ideally the kind of tape used for appropriate clothes and sewing, as it’s very flexible) and assess an existing pair of eyeglasses that fit easily. An average temple size for men is 135mm or 145mm. For women, 130mm to 140mm is standard. When your tape only has inches wide, measure to the nearest eighth or sixteenth and multiply that number by 25.4 to receive the way of measuring in millimeters. Temple lengths are generally available in 5mm increments, such as 130, 135, 140, 145, etc. At most online eye glasses stores, temple span is shown within a frame description and is not customizable. Therefore, you will need to find a frame with an appropriate temple size.
Truthfully, temple size is not a huge deal. I have one couple of eyeglasses with 135mm temples and another with 140mm temples. Both pairs fit perfectly. If for reasons uknown 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 female. It’s likely that, this length will fit pleasantly.