Reading prescription

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Reading prescription

Postby bb2010 » Fri Mar 19, 2010 6:33 pm


I understand the following two prescriptions are exactly the same and the spherical equivalent power of the lens are with the same value. However, can anyone tell me whether this is a farsightedness or nearsightedness prescription? And is spherical equivalent power means the power of the lens and any combination of refractive error with the same spherical equivalent power of the lens has the same lens for the glasses?

O.D. -1.75 3.25 87 --> O.D. 1.50 -3.25 177
O.S. -2.00 4.75 89 --> O.S. 2.75 -4.75 179
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Re: Reading prescription

Postby LasikExpert » Mon Apr 12, 2010 5:31 pm

Read our article about how to read an eyeglass or contact lens prescription for all the details.
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