DescriptionScientific studies have shown that your vision can actually be distorted using your hand to cover your eye and studies have proven that vision tests done without the use of a eye spoon can give false visual acuity test results. So, we suggest you cover your eye by occluder instead of hands.Features- Color: Black.- Material: Plastic. - Size: 19.50X6.00X0.50 cm/ 7.66X2.36X0.20 inch. - Solid color, non-slip design on the handle, suitable for Use for eye chart exam. - Used by ophthalmologists, orthoptists and optometrists to test visual acuity. - Made of high-quality materials, it is not easy to break, and can be stretched by lightly stretching. - The handheld eye occluder is suitable for use for eye chart exam. - Fit for all people, kindergarten children, school children, adults, and the elderly. It's a must for family, school and hospital.
