Features: Experience double functionality with our frosted eye occluder, to effectively block light while featuring holes for precises testing, enhancing convenience in every use. Crafted from high quality ABS material, this occluder is comfortable, breathable, and easy to clean, ensuring durability and long use. For ophthalmologists, optometrists, and individuals needing check, this tool meets professional requirements. Perfect for use in hospitals, clinics, optical stores, or home, facilitating accurate tests and effective eye coverage. It complements any setting, making it a addition to your optical instrument collection. Specifications: Material: ABS Size: About. 20x6x1cm/7.87x2.36x0.39in Color: Black/White Note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Package includes: 1pc Pin Hole Eye Occluder