300 (20/30) Children Vision Training Adjustable Interpupillary Distance Flip Racket

The 300 (20/30) Children Vision Training Adjustable Interpupillary Distance Flip Racket is a vision training tool designed for children and adults. It features an adjustable interpupillary distance for customized use.

• Product type: Corrector
• Compatibility: children and adults
• Material: glass lens + plastic
• Key feature: adjustable interpupillary distance
• Interpupillary distance range: 44-87 mm
• High-definition resin lenses
• Clear and transparent lenses
• Accurate readings
• Sturdy and lightweight frame
• Convenient and simple operation
• Equipped with matte film vision card
• Non-reflective and clear vision card
• Easy to read vision card
• Optional degrees: +/-50, +/-100, +/-150, +/-200, +/-250, +/-300, +/-350, +/-400
• Product size: 19.8 x 9.9 cm
• Weight: 118 grams
• Packing list: Flip racket x 1, Vision card x 1, Instruction manual x 1