# ContactProductInput

**Type:** GraphQL inputs

**Description:**
Information about a product/prescription.
Use 'products' query to find possible values for product-specific prescription parameters.

## Fields
- productId (String): ID that uniquely maps to a manufacturer, brand, and model combination
- eye (Eye, Not Null): Indication of left (OS) or right (OD) eye

- sphere (String): The amount of lens power measured in diopters (D), minus sign (–) for nearsighted, plus sign (+) for farsighted
- diameter (String): The width of the contact lens from edge to edge measured by millimeters
- baseCurve (String): Indication of the curvature of the inside of the lens
- axis (String): The lens meridian with no cylinder power, indicated by a value between 1 and 180 degrees
- cylinder (String): The amount of lens power for astigmatism measured in diopters (D), minus sign (–) for nearsighted, plus sign (+) for farsighted
- addition (String): The additional magnifying power that applies to the bottom portion of multifocal lenses to fix presbyopia
- dominance (String): Indication of dominant or non-dominant eye
- color (String): Color of the lens
- packageSize (Int): Number of lenses per package
- quantity (Int): Number of packages