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A lens prescription is a document that is filled in by a qualified optician or ophthalmologist and collects all the necessary parameters to correct your vision problem.<br>
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Get The Best Prescription Halloween Contacts A lens prescription is a document that is filled in by a qualified optician or ophthalmologist and collects all the necessary parameters to correct your vision problem.
How to Read the Prescription of your Glasses? Observe your prescription. Locate the initials OS and OD. These are abbreviations of the left eye (OS) and right eye (OD) in Latin. You may also see OU, referring to both eyes.
How to Read the Prescription of your Glasses? Now look at the numbers next to the abbreviations. The higher the number is, the worse the visual defect will be. The first number is the dioptres (also called spherical) and can be positive (indicating farsightedness) or negative (indicating myopia).
How to Read the Prescription of your Glasses? If you have presbyopia, two graduations will appear: one for near and the other one for far. The graduation for near may appear as the far one (spherical, cylindrical, axis) or only indicate the addition for near, a value between +0.50 and +3.50 that is depending on the age.
How to Read the Prescription of your Glasses? Also, on your prescription may appear two values: inter papillary distance and separation of centres.
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