Press-on optics.
D002197:Capillary Action; D006801:Humans; D007909:Lenses / Q000295:instrumentation*; D009885:Ophthalmology / Q000295:instrumentation*; D011145:Polyvinyls; D011312:Pressure; D012030:Refractive Errors / Q000534:rehabilitation*
D011145:Polyvinyls