To determine your glasses prescription, download the GlassesUSA Prescription Scanner app. Use the app to scan your glasses and collect measurements. Your prescription will show details for the right eye (OD) and left eye (OS), including spherical power, cylindrical power, and axis. Request a paper copy from your eye doctor if needed.
The cylinder value indicates astigmatism, measuring how much adjustment is needed for that condition. The axis value provides the orientation of astigmatism in degrees, ranging from 1 to 180.
Additionally, you may find fields labeled “add” for multifocal lenses, which account for reading vision. A more significant number in this section suggests a stronger magnifying effect.
Understanding these elements is crucial for selecting the right lenses. Carefully reviewing your prescription will ensure you comprehend your vision needs.
Next, we will explore common prescription symbols and terms. We will clarify confusing aspects, enhancing your ability to make informed decisions about your eyewear. This knowledge can empower you to choose glasses that offer optimal vision correction.
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