title: [The observation on lens opacity by polarized photoslit-lamp].
mesh_terms: D000368:Aged; D002386:Cataract / Q000175:diagnosis*; D006801:Humans; D007908:Lens, Crystalline; D008027:Light; D008853:Microscopy / Q000295:instrumentation; D009885:Ophthalmology / Q000295:instrumentation*