Contact Lens Prescriptions Explained

Contact Lens Prescription Explained
Believe it or not there is a difference between a spectacle and contact lens prescription. When a lens is placed on the eye it will most likely need to have its power adjusted. This is more evident in moderate to higher prescriptions. In addition the actual fitting parameters need to be documented. Lets take a look at a sample prescription:   O.D. -4.00 8.3 14.4 Brand X O.S. -3.50 8.3 ...
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