This standard 6-inch eye occluder delivers reliable vision screening and assessment capabilities for clinical and home healthcare settings. The black design minimizes light reflection, ensuring accurate occlusion during eye examinations. Constructed for durability and repeated use, this single-unit occluder is an essential tool for ophthalmologists, optometrists, and healthcare professionals performing visual acuity tests, eye dominance evaluation, and comprehensive eye health assessments. Lightweight and easy to handle, it provides consistent performance across diverse patient populations.