INS-11128 | Trial Frame III

Adjustable Trial Frame – Professional Refraction Use

Durable, lightweight trial frame designed for daily use in optical stores, optometry practices and ophthalmology clinics. This model allows precise positioning of trial lenses to perform manual refractions, cross-check prescriptions and demonstrate lens options to patients.

Key Features

• Multiple lens cells per eye for sphere, cylinder and accessory lenses.
• Fully adjustable PD with clear scale for accurate patient fitting.
• Rotating axis scale (0–180°) for precise cylinder alignment.
• Adjustable nosepiece for patient comfort during longer exams.
• Metal/ABS construction with smooth blue control knobs for easy handling and long service life