CLISPEED 2Pcs Cross Cylinder Lens Tool Set Round Optical Diopters for Testing Essential Optical Instruments for Accurate Eye Examination

• Core Functionality: This optometry tool features cross cylinder lenses designed to assist in correcting the axial direction by positioning two axes at 45 degrees to the cylindrical lenses, enhancing accuracy in adjustments
• Material Composition: Crafted from copper and glass, these optometry tools ensure reliable performance and stability during use in various clinical eye examinations
• Precision Dimensions: With a compact size of approximately 4.25 x 1.5 x 0.16 inches, these cross cylinder lenses are portable and convenient for use in professional optometry settings
• Optometry Application: Specifically designed for optometry use, these tools aid eye care professionals in accurate measurement and correction of cylindrical prescriptions
• Practical Set: Includes 2 pieces of cross cylinder lenses, providing sufficient quantity for repeated testing and enhanced efficiency during eye examinations

Package List 2 * Cross Cylinder Lens Characteristics - Size: About 10.8*3.8*0.4cm Test Tool. - Handle Length: About 70mm Optical Instruments. - Material: Copper and Glass. - and Diopters. - Made of copper and glass material Cross Cylinder Lens. - Use for Optometry Cylinder Lens Tool. - ColorSilver - When correcting the axial direction, the two axes of the cross cylindrical lenses can be placed at 45 degrees of the cylindrical lenses. Goods Information Cross Cylinder Lens Place the cross cylindrical lens on the cylindrical lens money to make with the cylindrical lens , and then reverse the cross cylindrical lens to rotate the 90 degrees. Test Tool 2 lenses with opposite axial refractive power, usually used for astigmatism