{"product_id":"optical-pd-ruler-pupil-distance-measuring-tool-0-100mm","title":"PD Ruler Pupil Distance Measuring Tool | 0–100mm Optical","description":"\n\u003ch2\u003eOptical PD Ruler – Accurate Pupil Distance Measurement\u003c\/h2\u003e\n\u003cp\u003eGet precise pupil distance (PD) readings with this lightweight, easy-to-use PD ruler. Designed for opticians, optical dispensaries, hospitals, and pharmaceutical suppliers, this ruler measures inter-pupillary distance quickly and accurately — an essential reference tool for fitting eyeglasses and contact lenses correctly.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Measurement Range:\u003c\/strong\u003e Covers 0–100mm to accommodate a broad range of pupil distances for adults and children alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVernier Scale Precision:\u003c\/strong\u003e Clear, easy-to-read graduated markings ensure accurate readings every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight PVC Construction:\u003c\/strong\u003e Durable, rigid white PVC keeps the ruler flat and stable during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim profile (approx. 21 × 5 × 0.7 cm) fits easily in a lab coat pocket or eyewear case.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Batteries Required:\u003c\/strong\u003e Completely mechanical — always ready to use with no charging or power source needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal Promotional Item:\u003c\/strong\u003e Perfect for optical clinics, hospitals, and medical supply retailers as a professional reference tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 21 × 5 × 0.7 cm (8.26 × 1.96 × 0.27 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PD Ruler (White PVC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: As with all manually measured tools, a tolerance of 0–2mm is considered normal. Screen color representations may vary slightly from the actual product.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/200-pack-disposable-eyeglass-leg-sleeves-hair-coloring-protector\"\u003e200-Pack Disposable Eyeglass Leg Sleeves | Hair Dye Protector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nei.nih.gov\/learn-about-eye-health\" target=\"_blank\" rel=\"noopener\"\u003eNational Eye Institute on eye health\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a PD ruler used for in optical settings?\u003c\/h4\u003e\n\u003cp\u003eA: A PD (pupil distance) ruler is used by opticians and eyewear professionals to measure the distance between a person's pupils. This measurement is essential for correctly positioning lenses in eyeglass frames to ensure clear, comfortable vision. This ruler covers a range of 0–100mm, making it suitable for both adult and pediatric use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this PD ruler suitable for home use when ordering glasses online?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Many people use a PD ruler at home to take their own pupil distance measurement before ordering prescription glasses online. Simply hold the ruler against your face at eye level in front of a mirror and read off the distance between the centres of your pupils. Note that a ±2mm tolerance is normal for manual measurements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this ruler require any batteries or setup?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries or setup are required. This is a fully mechanical PVC ruler — just take it out of the packaging and it's ready to use immediately.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a PD ruler used for in optical settings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A PD (pupil distance) ruler is used by opticians and eyewear professionals to measure the distance between a person's pupils. This measurement is essential for correctly positioning lenses in eyeglass frames to ensure clear, comfortable vision. This ruler covers a range of 0–100mm, making it suitable for both adult and pediatric use.\"}}, {\"@type\": \"Question\", \"name\": \"Is this PD ruler suitable for home use when ordering glasses online?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! Many people use a PD ruler at home to take their own pupil distance measurement before ordering prescription glasses online. Simply hold the ruler against your face at eye level in front of a mirror and read off the distance between the centres of your pupils. Note that a ±2mm tolerance is normal for manual measurements.\"}}, {\"@type\": \"Question\", \"name\": \"Does this ruler require any batteries or setup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No batteries or setup are required. This is a fully mechanical PVC ruler — just take it out of the packaging and it's ready to use immediately.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Eyewear Accessories\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/collections\/eyewear-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PD Ruler Pupil Distance Measuring Tool | 0–100mm Optical\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/products\/optical-pd-ruler-pupil-distance-measuring-tool-0-100mm\"}]}\u003c\/script\u003e","brand":"QXL","offers":[{"title":"one size","offer_id":46966037414087,"sku":"14:350853#one size","price":13.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/8314\/9255\/files\/Sfeda25ed6d0d4531a5fce0d1802aa7f5i.webp?v=1786102427","url":"https:\/\/qxlcustomerservice.com\/products\/optical-pd-ruler-pupil-distance-measuring-tool-0-100mm","provider":"QXL","version":"1.0","type":"link"}