Prescription Requirements
- What is segment height, and why is it required for a bifocal or progressive pair of TheraSpecs?
- What are your prescription requirements?
- What is pupillary distance?
- What's the difference between single vision and multifocal prescriptions?
- Can you help me understand my prescription?
- Can you fill prescriptions with prisms?
- I accidentally put in the wrong prescription information! What should I do?
- What are the benefits of getting an updated eye exam?