Clear markings and ergonomic design make measurements quick and hassle-free. Clear, durable acrylic ensures accurate readings and long-lasting use.
Reference Ranges:PD (Pupillary Distance):Typically ranges between 54-74mm.PH (Pupillary Height):Generally falls within 30mm.CVD (Corneal Vertical Distance):Normally between 10-13.75mm.PT (Pantoscopic Tilt): Usually spans 8°-15°.FFA (Face Form Angle): Typically ranges from 170°-180°.
Instruction Manual Included: Step-by-step guide ensures accurate use, even for beginners.
Perfect for opticians, eyewear retailers, and anyone needing accurate eyewear fitting at home, this versatile 5-in-1 PD Ruler delivers precise measurements for professional and personal use.