●[Enhanced Viewing Comfort] These soft rubber eyepiece eye covers are designed to create the perfect distance between your eye and the eyepiece of the microscope. Experience more comfortable and fatigue-free observations. Enjoy fatigue-free microscopy with improved eye-to-ocular distance. ●[Wide Compatibility] Suitable for eyepieces with a diameter of 32-36mm. These eye shields are versatile and compatible with various microscopes. Fits most standard microscopes in laboratories and research environments. ●[Durable and Quick to Install] These eye protectors are made of durable soft rubber and designed for long-lasting use. Its good elasticity ensures quick and convenient installation. ●[Effective Light Blocker] These eye shields not only protect your eyes from external light sources, but also block stray light to improve your observation of samples. Achieve more accurate observations without interference. ●[Reduced Eye Strain] Prevent dizziness and ensure clearer observations by using these eye shields. They ensure even eye relief and reduce eye fatigue during long sessions. Create a comfortable and productive microscopy experience.