English     |     中文

 














Navigation

Home Page
Hours / Location
Services
OHIP Coverage
Book an Appointment!
Eye Conditions
Children's Eye Care
How to Interpret Rx
Ortho-K
Contact Lenses Instructions
Order Contact Lenses
Laser Vision Correction
Preventative Eye Care
Links
Blog




HOW TO INTERPRET Rx

How to interpret an eyewear prescription:

Sphere Cylinder Axis
OD: -400 -125 x180
OS: -500 -200 x180

OD means right eye
OS means left eye

+”Sphere means farsightedness
-” Sphere means nearsightedness

Cylinder means amount of astigmatism

Axis means the direction of astigmatism, in this case both eyes have horizontal directions