2 Pcs Dual-use Black Handheld Eye Occluder Plastic Vision Optics Optometry Instrument for Eye Chart Exam (Black)

• SIZE: 7.87'L x 2.26'W, 2 pack included
• MATERIAL: PP plastic, sturdy and perdurable
• FEATURE: Perforated matte surface for eye position measurement
• APPLICATION: Suitable for all people, an useful tool for family, school and hospital
• GENTLE REMINDER: Please pay attention to the condition of the eyes all the time when used with the eye chart

Product description