Optometry Occluder GD1600
Acrylic material Accluder Freezed color
Occluder for eye power testing GD1602 & GD1602H
Acrylic Occluder
Optometry Occluder GD1601 & GD1601H
Acrylic material occluder
Multi-functional Occluder GD1607
New design multi functional occluder
Pin hole occluder GD1603
Pin hole occluder