pinhole occluder
1.black color, polypropylene material
2.lorgnette eye pinhole occluder
3.professional quality and package
ophthalmic pinhole occluder:
Description
ophthalmic lorgnette eye pinhole occluder is mainly checking cylinder axial view. It is used to cover one eye during testing or treatment. Visual acuity examination apparatus, easy to operate.
All the pinhole position must have very strict requirements. Though they are empty and plastic made from molds, but all are strictly checked and modified surface one by one by workers' hand.
The material must be good ABS plastic because it is medical health-care product.