Big size-17mm inner dia. x25mm outer dia.loop retract lids Middle size-14mm inner dia. x22mm outer dia.loop retract lids Small size-11mm inner dia. x19mm outer dia.loop retract lids scleral and blepharostat ring
Big size-17mm inner dia. x25mm outer dia.loop retract lids Middle size-14mm inner dia. x22mm outer dia.loop retract lids Small size-11mm inner dia. x19mm outer dia.loop retract lids scleral and blepharostat ring