how to read my contact lens prescription


How to Read a TXF File

TXF files contain tax data. The format is standard with tax and accounting software. When you have a TXF file, you can easily open it in TurboTax, Microsoft Money, H & R Block At Home and Mint.com software. This is handy when a tax preparer creates a file with your tax information that you would […]



How to Read SDF in Microsoft

A file with the SDF file extension is likely a fixed length, ASCII Structured Data File. The SDF file format is a compacted database normally created using Microsoft SQL Server Compact Edition, though Microsoft Access will also create and open SDF files. Microsoft Access is included in most versions of the Microsoft Office productivity suite. […]



How to Read a Tab Delimited File in Java

Reading tab delimited files is an essential way to read basic output from Java. Some databases export data in tab or comma delimited format, so importing that data in Java is a way to display the results of a database to an application that is unable to query the tables directly. Importing and reading tab […]



How to Read a Quickvue Pregnancy Test

Doctors’ offices often use Quickvue pregnancy tests to confirm early pregnancy results. Many women prefer to get results in the comfort of their own homes, and Quickvue kits can be purchased for home use. This test is considered 99 percent accurate. It can be taken as little as seven days after becoming pregnant. However, most […]



How to Read Carbon Monoxide Detectors

Carbon monoxide is a colorless, odorless gas produced when a fuel source such as natural gas, gasoline, or wood is burned. It is one of the leading causes of accidental deaths in the United States each year. Many people have taken steps to avoid incidents of carbon monoxide poisoning in their homes by installing carbon […]



How to Read Basic Music Notes

A sheet of music may look like mysterious lines, dots and squiggles to the uninitiated. However, learning to read music is no different from learning to read another language. The notes themselves communicate pitch and rhythm, while other notations on the page give directions for expression and intensity. To learn to read music, begin with […]



How to Read IR Spectrums

An infrared (IR) spectrum shows what functional groups are present in an organic molecule. In IR spectroscopy, a molecule is irradiated with electromagnetic radiation. The molecule absorbs energy if the frequency of the radiation matches the frequency of the vibrations of bonds within the molecule. Each bond type absorbs energy of a specific frequency. Therefore, […]



How to Read a Digital Compass

Digital compasses are handy electronic devices that use sensors to determine the magnetic field, then display those measurements numerically. Digital compasses can now be found on watches and other small, hand-held devices. Point the compass in one direction, holding it at waist level. You should also be careful not to tilt the device too much, […]



How to Tell if You Are Being Manipulated

Manipulation is a mind game used for the purpose of controlling others. Sometimes it can be an unintentional thing. The person doing the manipulating may not be aware of what he is doing. But often, manipulation is masterfully intentional. Be aware. Read on to learn how to tell if you are being manipulated. Learn how […]



How to Read a MRI

MRI stand for Magnetic Resonance Imaging. MRIs offer an excellent look at the anatomy and tissues inside a person’s body, with a level of detail that is far better than other methods such as X-rays or ultrasound. One advantage of an MRI is that it is able to take many images from different areas, as […]



How to Read Choir Music

Joining a choir is an excellent way to improve your singing experience. Being able to read the choir music will allow you to participate more easily and learn more about singing. The ability to read choir music will lead you to become a better performer as you follow along with the individual parts that compliment […]