Understanding your contact lens prescription

How to read your contact lens prescription

How do I read my prescription?

Example prescription

Base curve	Diameter	Power/Sphere	Cylinder	Axis	Addition	Dominant
Left	8.4	14.0	-0.50	-1.25	10	>+1.0	N
Right	8.4	14.0	-1.25	-1.25	10	+1.0	D

What does each prescription figure mean?

Prescription figures for astigmatism

Prescription figures for presbyopia