Brand

• Varilux

Model

• X 4D

Material

• Trivex
• High Index Plastic

Feature

• Photochromic

Transitions

• Signature/Gen S

Photochromic Color

• Gray
• Brown
• Graphite Green
• Amber
• Amethyst
• Emerald
• Ruby
• Sapphire

Technology

• Digital FreeForm

Index

• 1.53
• 1.67

ABBE

• 43
• 32

Sphere Range

• 2.00 to 4.00
• 6.00 to 8.00