Spec: Item Type: Optometry Frame Material: Alloy Frame Inner Diameter: Approx. 32.5mm/1.2in Color: Black + Silver Pupil Distance (Abbreviated PD) Adjustment Range: Eye PD: Approx. 48-80mm / 1.89-3.15in; Left and Right PD: Approx. 24-40mm / 0.94-1.57in; Minimum Graduation Value: Approx. 1mm/0.04in Axial Indexing of the Dial: Left Indexing Disc: 120°~0°~135° Right Indexing Plate: 45°~180°~60° The degree of rotation of the lens around the optical axes in frame: 360° Adjustable Range of Nose Pads: Length: Approx. 0-14mm / 0-0.55in; Angle: 0° ~ 30° Left and Right Frame Leg Length Adjustment Range: Approx. 98-135mm / 3.86-5.31in (Data May Have A Little Error) packing list: 1 x Optometry Frame Note: Manual measurement, please allow some errors.

?Wide Application?This optometry frame is suitable for a wide range of applications, including visual inspections in optical shops, hospitals, ophthalmology clinics, schools, factories, and mines. Its lightweight design and durable construction make it a versatile tool for all types of eye examinations. ?Easy to Use?With multiple adjustment knobs and a 360° rotation lens design, this optometry frame is easy to use and highly versatile. The intuitive design allows for quick and seamless adjustments, making it ideal for busy optical shops, hospitals, and schools. ?Accurate Measurements?The optometry optician frame features precise measurement capabilities, with an interpupillary distance adjustment range of 48~80mm. This allows for accurate and reliable measurements for both eyes, ensuring accurate prescription strength and lens selection. ?Comfortable Fit?With adjustable nose pads and temples, this optometry frame provides a comfortable and secure fit for patients of all sizes. The frame is designed to sit comfortably on the face without causing any discomfort or pressure, allowing for accurate eye exams without distractions. ? Material?This optometry frame is made of materials, ensuring durability and stability during use. The frame is designed to withstand daily wear and tear, making it a reliable tool for optometrists and ophthalmologists alike.