Eyeglass Prescription Glossary Abbreviations | 合法醫療器材資訊網

It'sanon-prescriptionlensandisusedwhenonlyoneofyoureyesrequiresvisioncorrection.Cylinder(CYL):Thisindicatestheamountofastigmatism,andis ...

Oculus Dexter (OD): Latin for right eye.

Oculus Sinister (OS): Latin for left eye.

Oculus Uterque (OU): Latin for both eyes.

Sphere or Power (SPH or PWR): This is the main strength of your eyeglass prescription, and is written in 0.25 increments. If the field has SPH, PL, PLANO, or 00, this means your there is a 0.00 power as should be entered as so. AC Lens can create lenses for prescriptions with sphere ranges between -20.00 and +20.00.

Plano (PL): This indicates there is no spherical correction in this eye. A plano lens would have no focusing power or correction to it.

Balance: This indicates there is no vision correction in this eye. Its a non-prescription lens and is used when only one of your eyes requires vision correction.

Cylinder (CYL): This indicates the amount of astigmatism, and is written in 0.25 increments. Not all presc...