Wooden Trial Lens Case – Ophthalmic Eye Refraction Testing Set

The Wooden Trial Lens Case is a professional ophthalmic diagnostic set designed for subjective eye refraction testing and spectacle prescription assessment. It contains precision optical trial lenses arranged in a durable wooden storage case for convenient identification, selection and protection. The set typically includes spherical, cylindrical, prism and auxiliary lenses for assessing refractive errors such as myopia, hyperopia and astigmatism. Suitable for eye hospitals, ophthalmology clinics, optometry centres, optical shops and vision training institutions. Key Features & Specifications - Equipment Type: Wooden Trial Lens Case - Primary Function: Subjective eye refraction testing - Case Material: Polished wood or hardwood construction - Lens Material: Optical glass, depending on manufacturer - Lens Rim Material: Metal or plastic, depending on configuration - Lens Configuration: Commonly 158, 232 or 266 pieces - Spherical Lenses: Positive and negative spherical powers - Spherical Power Range: Up to ±20.00D on selected configurations - Cylindrical Lenses: Positive and negative cylindrical powers - Cylindrical Power Range: Up to ±6.00D on selected configurations - Prism Lenses: Available in selected configurations - Prism Power Range: Typically 0.50–10 prism dioptres on comprehensive sets - Lens Rim Diameter: Commonly 38 mm - Optical Lens Diameter: Approximately 25–26 mm on selected models - Lens Identification: Clearly marked diopter values - Lens Arrangement: Organised compartments with labelled slots - Auxiliary Lenses: Occluder, pinhole, Maddox rod, Jackson cross cylinder and colour filters, depending on set - Trial Frame: Included only where specified by supplier - Case Design: Hinged wooden box with protective interior - Locking Mechanism: Metal clasps or latches - Power Requirement: None - Reusability: Reusable - Clinical Applications: Subjective refraction, spectacle prescription assessment and vision examination - Suitable Facilities: Eye hospitals, optometry clinics, ophthalmology centres and optical laboratories