DescriptionThe eye patch is shaped to occlude eye without pressure. It is constructed of premium durable ABS. Great instrument for optometrist. Fit for all people,Preschool, kindergarten children, school children, adolescents, adults, and the elderly. It's a must for family ,school and hospital.Feature- Color: Black. - Material: ABS. - Size: About 20x17x2cm. - Shaped to cover either eye during an eye examination. - The handheld eye occluder is made of anti-slip material. - Good quality, can be used for a long period of time. - Solid color, non-slip design on the handle, suitable for Use for eye chart exam. - Fit for all people,Preschool / kindergarten children, school children / adolescents, adults, and the elderly.It's a must for family ,school and hospital.