38 Plates Optometry Color Blindness Test Book with Physical examination and

Physical examination and

Total filtration 1

This product is suitable for those with arm or back strength disorder

1~180°(increment:1°)

4100mm*2300mm*1100mm Packing dimension 4200mm*2300mm*1500mm Weight 1650KG Water capacity 3300 US Gallon/ 12500Liters Container load 0pc/ 20GP

38 Plates Optometry Color Blindness Test Book with Physical examination andColor Blindness Test Book Description A professional test book, which is a simple and accurate method for discovering congenital color blindness and red green blindness, each in two forms, complete and incomplete. It includes four special plates for tests to determine the kind and degree of defect in color vision. Makes use of the peculiarity that in red green blindness, blue and yellow appear remarkably bright compared with red and green. Color