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Reading Glasses Strength

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For your convenience we have a simple way for you to determine what reading glasses or computer glasses strength to use. Our reading glasses strength chart:

RGE EYE Chart for reading power


All you need to do is Right Click on the above image and click to view image, or save it to your computer's hard drive. Then print out the eye chart. Make sure you print it in its real, original size. The final printed chart should be 5 inches wide.

Once you have printed out the chart, just follow these instructions:If you are wearing readers, you need to take them off for the test.

Note for READING OVER CONTACT LENS WEARERS - If you wear Distance Vision ONLY contact lenses and need reading glasses, you can use these charts, just make sure you are wearing your contacts.

Once you have printed the reading chart, follow these instructions:

Reading Glasses Strength For Up-Close Vision (approx. 12-14 inches away)

1. Without reading glasses on, hold the chart at a comfotable reading distance for you. Most people read at about 12-14 inches away.

2. Read the chart from bottom to top.

3. The first line you have difficulty with is the power of lens you need.

If you are in the +3.00 and up range, I reccommend choosing the next power lower than you think you might need. For example, if you have problems seeing the +4.00 line but are 'kind of' comfortable with the +3.25 line choose +3.50 as your power.

Tip: If you do a lot of close up work and reading (12 inches or closer) you can opt for a higher power. Closer work=higher power.

Reading Glasses Strength For Computer Distance Reading (approx. Arm's length)

1. Follow the instructions for determining Up- Close Vision above. Make sure you hold the chart at 12-14 inches away and no further.

2. Once you have determined your reading glasses strength, use the chart below to determine your computer distance strength.

NOTE; The computer strength powers listed are for screen distances of arm's length (approx 18 inches). If your screen is closer than arm's length you can opt for the next step higher power.

Up-Close Power       Computer Power

    +.50                       No Need
    +.75                       No Need or +.50
    +1.00                    +.50
    +1.25                    +.50 
    +1.50                    +.75
    +1.75                    +.75
    +2.00                    +1.00
    +2.25                    +1.00
    +2.50                    +1.25       
    +2.75                    +1.25
    +3.00                    +1.50
    +3.25                    +1.50   
    +3.50                    +1.75
    +3.75                    +1.75
    +4.00                    +2.00
    +4.25                    +2.00
    +4.50                    +2.25
    +4.75                    +2.25
    +5.00                    +2.50

DISCLAIMER: The resulting reading strengths, if the instructions are followed carefully, should be accurate. However, there is no substitute for an eye exam from an Optometrist or Opthamologist.


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Need Low Power Reading Glasses? We do those too! Our standard power selection is from zero to +4.00 in either eye!

Need Extra Strong Reading Glasses? We can do powers up +6.00! Find out more>

Need Prescription Lenses? We can do single vision distance, reading, or intermediate at out new Rx site, MojoOptical.com!


Did You Know?

At ReadingGlassesEtc.com,

-We can do powers from +.00 to +4.00 in most of our readers. This is a much wider range than other places online. We can also do up to +6.00 by special request.

-You can select a different power for each eye in most of our readers. If you need a different power for each eye, we can save you lots of money. Our lenses are free. Buying prescription readers would cost you 2 to 5 times more in a store. Why would you do that?

-You can add AR Coatings and custom tints. Great for computer use or just to look cool.

-We offer Computer Bifocals. The top is for computer distance. The bottom is for reading. Very affordable!

-We do prescription readers, and prescription distance vision glasses, too. Go here for more info.

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