As the name says, single vision lenses provide only one type of vision correction, and are the lenses you should choose if you're either near-sighted, far-sighted or astigmatic, but not if you have two or more prescriptions.
Consider Single Vision for distance if:
Below is an example of a prescription for someone who likely needs Single Vision glasses. Note that there is nothing in the ADD column.
|
SPHERE |
CYLINDER |
AXIS |
ADD |
|
|
R |
-1.50 |
-0.50 |
90 |
|
|
L |
- 2.00 |
-0.75 |
120 |
|
Consider Progressive glasses if:
Below is an example of a prescription for someone who needs progressive glasses.
|
SPHERE |
CYLINDER |
AXIS |
ADD |
|
|
R |
-1.50 |
-0.50 |
90 |
+1.50 |
|
L |
- 2.00 |
-0.75 |
120 |
+1.50 |