Pupil Height Ruler – Optical PH Meter for Eyeglass Fitting
Pupil Height Ruler – Optical PH Meter for Eyeglass Fitting
Pupil Height Ruler – Precision Optical Measuring Tool for Eyeglass Fitting
Get accurate pupil height (PH) measurements every time with this professional-grade Optical Pupil Height Ruler. Sold as a pair, this compact plastic measuring tool is an essential instrument for optometrists, opticians, and eyeglass fitting technicians who need reliable, repeatable measurements when dispensing or adjusting eyewear.
Made in Mainland China.
Key Features
- Durable PPC Plastic Construction: Crafted from high-quality PPC plastic for long-lasting everyday use in optical practices and eyeglass labs.
- 0–40 mm Measurement Range: Accurately measures pupil height across a broad range, suitable for most standard eyeglass frame fittings.
- Clear, Easy-to-Read Scale: Bold, legible markings make readings fast and straightforward, even in busy clinic or retail environments.
- Compact & Portable: Measures just 8.2 × 3.3 cm (3.23 × 1.3 in), making it easy to carry in a coat pocket, tool kit, or optical case.
- Optometry Essential: A must-have for opticians and optical dispensers ensuring properly centered progressive or bifocal lenses.
Product Specifications
| Material | PPC Plastic |
| Measurement Range | 0–40 mm |
| Dimensions | 8.2 × 3.3 cm / 3.23 × 1.3 in |
| Quantity | 1 Pair (2 rulers) |
| Origin | Made in Mainland China |
Package Includes
- 1 × Pair of Pupil Height Rulers (2 pieces total)
Notes
Photos may not reflect actual size — please refer to the dimensions listed above. Minor measurement differences (±1–2 mm) may occur due to manual measurement methods. Colors may vary slightly from screen to screen.
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Learn more: National Eye Institute on eye health
Frequently Asked Questions
Q: What is a pupil height ruler used for in optometry?
A: A pupil height ruler is used by opticians and optical dispensers to measure the vertical position of the pupil within an eyeglass frame. This measurement is critical for correctly positioning progressive, bifocal, and single-vision lenses so they align precisely with the wearer's line of sight for optimal visual performance.
Q: What measurement range does this pupil height ruler cover?
A: This pupil height ruler measures from 0 to 40 mm, which covers the full range needed for the vast majority of standard adult and youth eyeglass frame fittings.
Q: How many rulers come in one order?
A: Each order includes 1 pair — that is 2 individual pupil height rulers — so you can measure both eyes simultaneously or keep one as a backup.
Q: Is this tool suitable for use in a professional optical practice?
A: Yes. The compact size, clear scale markings, and durable PPC plastic construction make this ruler well-suited for use in optical clinics, eyeglass dispensaries, and hospital eye departments as a quick and convenient measuring aid during frame fitting.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.