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Baoding Ray Vision, a leading manufacturer and supplier of ophthalmic equipment, proudly introduces the TF-E40 Trial Frame — a professional optometry tool designed for precise refraction testing and visual acuity examinations.Made of high-quality titanium alloy, this lightweight trial frame combines durability, comfort, and precision. The TF-E40 is designed for optometrists, ophthalmologists, and eye-care professionals, providing excellent PD (pupillary distance) adjustment and lens alignment accuracy.With its compact size and ergonomic structure, the TF-E40 trial frame is also ideal for children’s optometry, ensuring accurate measurements during subjective refraction while maintaining patient comfort.

FEATURE:

1. Lightweight Titanium Construction

The TF-E40 trial frame is made of premium titanium alloy, ensuring exceptional strength, corrosion resistance, and minimal weight. The balanced design provides optimal pressure distribution for maximum comfort during eye examination and refraction testing.

2. Fully Adjustable Design

This ophthalmic trial frame allows precise adjustment of pupillary distance (PD), cylinder axis, and nose rest position. The PD adjustment range is 54–70 mm, with 2 mm step per grade, enabling accurate optometric fitting for both adults and children.

3. Ergonomic and User-Friendly

Featuring a soft, rounded design, the TF-E40 ensures comfort and stability even during long testing sessions. The lens insertion slots are easy to access, allowing quick placement or removal of up to 4 trial lenses simultaneously.

4. High Accuracy in Lens Alignment

With a 360° rotation around the optical axis and minimal lens center deviation (≤0.5 mm), the TF-E40 guarantees accurate and consistent positioning for refraction measurement. These features ensure reliable results for optometrists and ophthalmic technicians.

5. Ideal for Clinical and Educational Use

The TF-E40 optometry trial frame is suitable for eye hospitals, vision testing centers, and optometry schools. It supports manual refraction, subjective testing, and can be used with trial lens sets such as TL-E80 or with vision testers like the VT-50.

Why Choose Ray Vision TF-E40 Trial Frame?

Lightweight titanium frame reduces fatigue during long testing sessions

Precise PD and axis adjustment ensures accurate refraction measurement

Designed for both adult and pediatric optometry

Compatible with trial lens sets, phoropters, and vision testing systems

Ideal for optometrists, ophthalmologists, and optical shop professionals

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Conclusion & Call to Action

The TF-E40 Trial Frame combines ergonomic comfort, precise adjustment, and durable titanium construction — making it an essential optometry instrument for professional eye examination and refraction testing.
As a trusted ophthalmic equipment supplier and manufacturer, Baoding Ray Vision delivers reliable products designed for performance, comfort, and long-term use.