Welcome to Our Help Site

• Holiday 2023 Return Policy
• Return/Exchange policy
• Warranty
• What if I received a damaged item?
• What if my glasses do not fit perfectly straight?

• Proper Cleaning

• Do you offer rush or express shipping?
• I haven't received a shipping notification, when will my order ship?
• International shipping information
• Tracking status shows "Delivered" but I don't have my package!
• USA Customer shipping information

• Diff Customer Service Phone Number

• Can I change or cancel my order once it has been placed?

• How to place an order for prescription - step by step
• How do I submit my prescription?
• How do I find my pupillary distance (PD) ?
• How long will my prescription order take?
• All About Progressive Lenses
• How should I clean my new prescription glasses?
• What does the protection plan cover with my prescription glasses?

See all articles in Prescription FAQ →

• What if my order is returning an error message?
• What payment methods do we accept?
• Why doesn't my discount work?

• Do you offer a protection plan?

• Does DIFF have a physical store location?
• How can I sell DIFF Eyewear in my store?