Product overview Made of sturdy polystyrene Visual acuity test: tumbling E at 40 cm Visual acuity test: numbers at 70 cm Dimensions: 22.2 x 6 cm Abrasion resistant lettering Multipurpose Eye Occluder This multipurpose eye occluder from Oculus is an essential tool in optometry; especially in orthoptics. The eye occluder is mostly used for cover tests and assists in strabology diagnostics. The multifunctional occluder paddle also allows you to perform visual acuity tests with a tumbling E at a 40 cm distance, with numbers at a 70 cm distance and to measure the pupil distance, pupil and cornea diameters as well as the palpebral fissure distance. The eye occluder has a length of 22.2 cm and a width of 6 cm, making it handy, stable and abrasion-resistant. Product Details Multipurpose eye occluder for cover tests Vision tests with a tumbling E at a 40 cm distance Vision tests with numbers at a 70 cm distance Pupil distance measurements Measurements of pupil and cornea diameters (star serves as focal point) Accommodation reflex testing Printed ruler for measuring width of palpebral fissures Made of polystyrene, sturdy and abrasion resistant Length: 22.2 cm; Width: 6 cm; Thickness: 2.0 mm You can order the multipurpose eye occluder for optometrists and orthoptists for a low price from Medvana.