Optical Pinball Machine, Adjustable Optical Pinball Machine For Optometry, Plastic Flip Lens For Optical Optometry Pinball Machine For Close Up Amblyopia Test, Adjustable Pupillary Distance - Brrnoo, Brrnoozx20rtvnq81250

• 4 Grooves: The optical pinball machine includes 4 grooves that the lenses can be inserted into, humanized design, to meet your different needs, but please note this product does not include lenses. Professional Eye Care Tools: Can mobilize eye potential, improve reading speed. Improve visual clarity, make eyes more comfortable.Modern eye care tools can be used to exercise your eyes anytime, anywhere. Eyesight Training: Plastic flip lens for optical optometry pinball machine for near amblyopia test, pupillary distance adjustable. Must be used with visual and lens cards (not included). Generally, after 15 days of training, it can effectively improve eyesight. Professional and Reasonable Design: Adjustable interpupillary distance, solid structure, adjustable pupil distance, easy to use, clear measurement, thoughtful and practical for use. Safe And Eco-Friendly: ABS material, the adjustable optical pinball machine is made of high quality ABS material, solid and sturdy, stable and wear-resistant, durable for use.