How to Read Your Contact Lens Prescription

Here is a typical contact lens prescription:

EyePower (sphere)BCDiaBrand
OD (Right)-2.258.814.0Acuvue
OD (Right)-2.258.814.0Acuvue

Here are the definitions of the symbols used:

  • OD - Right Eye
  • OS - Left Eye
  • OU - Both Eyes
  • BC - Base Curve
  • Dia - Diameter


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