1. Quiz Duochrome test Patient has myopia in both eyes Rt: -1.50 Ds
Lt: Ds
If you put Ds in front of the Rt eye which side will be clear compared to other?
If you put Ds in front of the Lt eye which side will be clear compared to other?
If you put Ds in front of the Rt eye which side will be clear compared to other?
If you put Ds in front of the Lt eye which side will be clear compared to other?

2. Astigmatic fan
Patient has astigmatism in both eyes
Rt: Plano/-1.00x120
Lt: -1.00/-2.00x25
Which line will be clear for the patient compared to other lines if you occlude the left eye?
Which line will be clear for the patient compared to other lines if you occlude the right eye?