what power reading glasses do i need


How to Read an Oil Tank Gauge

If you think your boiler, warm air furnace or water heater has stopped working, the first thing you want to check is the oil tank gauge. By finding and reading your oil tank gauge, you can figure out if the heating appliance in your home is broken or if your tank is out of fuel. […]



How to Read a CNC Blueprint

One of the most important aspects of a machinist’s career is the ability to read blueprints and calculate the necessary operations to be performed on a CNC (Computer Numerical Control) machine. CNC machines use the information on the blueprint to cut and shape various types of materials, including metals, wood and plastic. With experience and […]



How to Study Economics Effectively

Understanding economics prepares you to be a better, more active participant in the economy – as both a consumer and producer. It also helps you better understand government policy decisions. Most college students must take at least one course in economics during their student careers. Economics, however, is not an easy subject, and understanding the […]



How to Read Shop Drawings

Shop drawings are blueprints designed for construction purposes. Shop drawing language incorporates the use of various numbers, symbols and abbreviations that make it difficult for a layperson to read. Architects, engineers and construction professionals master the language to keep shop drawing measurements and blueprints universal. Lay people can begin reading shop drawings after comprehending several […]



How to Read Pulmonary Function Test Results

A pulmonary function test, or a spirometry test, is used to evaluate your lungs’ airflow and capacity. During the test, you breathe into a device called a spirometer in a variety of ways, including both forced and rapid breathing. The spirometer records the rate and amount of air you breathe. Spirometry tests are used to […]



How to Read Bus Time Schedules

Getting around a strange city without a car can be a simple task when you’re equipped with a map of the area’s bus routes. A glance at a bus timetable can leave uninitiated riders scratching their heads trying to decipher a checkerboard of times and places. Finding your destination on the chart along with the […]



How to Read Highway Blueprints

Civil engineers design highways and create large sets of documents called highway blueprints. These plans are sheets of drawings and charts that illustrate proposed new roadways or existing road improvements. Highway blueprints convey design, construction and right-of-way information that designers, contractors, estimators, construction workers, appraisers, negotiators, attorneys and property owners use. Contact your Department of […]



How To Read an Airline Ticket

Airline tickets have a language all their own. They are covered in codes meant to convey information to airline personnel. Most of it is gibberish to everyone else. While the things printed on airline tickets are confusing, they are not secret. If you know what to look for, it is easy to read an airline […]



How to Fix a GameCube Read Disk Error

A GameCube Read Disk Error usually happens when the laser lens, which reads the game disk, becomes dirty. Once the laser lens accumulates dust, it becomes harder for the system to read and process information on the game disk. Luckily, you don’t need to take apart the GameCube to clean the laser lens. However, one […]



How to Read Tennis Scores

Tennis has a history that is centuries old, and it is a sport popular in many countries around the world. The four major tournaments of the tennis year, the Australian Open, the French Open, Wimbledon, and the U.S. Open, are the most highly televised and famous of the tennis tournaments. While most of us are […]



How to Read a Stock Ticker

Edward Calahan invented the stock ticker in 1863 and the New York Stock Exchange installed the first stock ticker in 1867. Messengers used to run price updates from the exchanges to brokers’ offices prior to the ticker. You may spot stock tickers scrolling across financial websites or on digital displays inside and outside financial buildings. […]



Jobs That Require a Lot of Reading

Individuals can choose jobs which require a great deal of reading. Some individuals seek reading jobs because they want to work alone. Other individuals enjoy working with words, but enjoy spending time with other people, such as a book editor who works with book designers, printers and clients. Some of these reading-related career opportunities are […]



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 […]



Why are Phonics Important for Reading?

Definition When educators talk about phonics, they are referring to the explicit teaching of the relationships between phonemes (the sounds of language)and graphemes (the written representations of language) so that students can decode (sound out) words. Why Phonics? While it’s true that most of us do memorize whole words on occasion (such as names or […]



How to Read a 12-Lead EKG

An electrocardiogram, also known as an EKG or or ECG, is used in the diagnosis and assessment of cardiac activities. Medical and health professionals should have an in-depth knowledge in the interpretation of ECGs. A 12-lead ECG examines the electrical activity of the heart from12 points of view, which makes it efficient for diagnosing heart […]



Foods to Increase Reading Comprehension or Memory

Reading comprehension can be defined as understanding fully the context and meaning of sentences and written works. Many aspects of reading comprehension involve healthy oral, cognitive and auditory skills. Another related, but independent, variable is memory. Memory helps augment a person’s reading comprehension skills. To increase both reading comprehension and memory, there are certain foods […]



How to Read a Tape Measure

Tape measures in the U.S. mostly utilize Imperial measurements, which means that you measure in feet, inches and fractions of inches. When using a metric tape measure, the measurements appear in centimeters, millimeters and, sometimes, meters. But not all tape measures are alike. While some only contain Imperial measurements, you can also find some with […]



How to Read Your Form 1099-DIV

How to Read Your Form 1099-DIV. Many investors who receive dividend income are confused by the way this income is broken down on the 1099-DIV form. This article explains how to interpret the numbers in each of the commonly used boxes on this form. Look at box 1a of your 1099-DIV. This box is labeled […]



How to Read an Eye Chart Without Glasses

One of the routine tests for an eye exam is to have your visual acuity checked using eye charts. This is often done using a Snellen eye chart for distance and a Jaeger reading chart or card for near visual acuity. If you wear glasses, these tests are often performed while they are on, however, […]