How To Read Eyeglass Frame Spec Sheet
Read more about eyeglass sizes to choose glasses that look great and also fit well visit an eye doctor or optical retailer near you.
How to read eyeglass frame spec sheet. There s really nothing worse than your glasses slipping down your face when your working on a computer reading a book walking the dog or driving then having to press your index finger against the bridge of your specs every so often when you d much rather concentrate on the task at hand. The numbers on your glasses. Over 20 years of vehicle specification data. The numbers 55 18 145 in millimetres displayed in this image indicate the following 55 mm will represent the width of the lens.
Page updated june 2019. It is produced in long narrow sheets that are slightly wider than eyeglass frames. These numbers usually include the frame model colour code and measurements as illustrated. When selecting new eye glasses we recommend to write down the frame size of your old pair of prescription glasses if they fit well on your face.
The lens diameter is the width of the lens in mm measured from the bridge. These usually designate the frame model and or the color of the frame. Inspect the lenses carefully to make sure they are clean. The type of rx glasses may be noted on a prescription such as dv distance vision nearsightedness and nv near vision reading.
The sheets are up to 3 ft 0 91 m long and 0 33 in 0 84 cm thick. The ability to print the data sheet and keep it with the estimate or repair order. Eyeglasses frames are typically made of either metal or a type of plastic called cellulose acetate. For example if your prescription says 1 00 you have one diopter of nearsightedness this is a fairly mild amount of nearsightedness if you are 4 25 that means you have 4 and 1 4 diopters of.
Compatible with a wide range of measuring systems. Frame sizing guide victoria 2020 09 02t12 25 53 05 00 how to find the measurements of your old frames. An option to print a damage report. Carefully dry the lenses and frame with a clean lint free towel.
Includes unitized and frame vehicles. Cellulose acetate is derived from cotton and is flexible and strong. Prescription with prism the less common prism rx refers to the amount of prismatic power needed to compensate for eye alignment issues e g double vision or lazy eye. Gently shake the glasses to eliminate most of the water from the lenses.
If you re a glasses wearer you may notice some numbers on the arms or the bridge. Specifications for underhood underbody door openings and upperbody. This information shows you the size of your glasses. Be aware that two frames that have identical frame sizes may fit differently depending on the style of the frame.