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1.56 Blue Cut Photochromic Grey HMC ruwan tabarau na gani
Lens abu ne mai bayyanawa tare da filaye ɗaya ko fiye masu lanƙwasa waɗanda aka yi da kayan gani kamar gilashi ko guduro.Bayan goge-goge, sau da yawa ana haɗa shi cikin tabarau tare da firam ɗin gilashi don gyara hangen nesa mai amfani da samun fage mai haske.
Kaurin ruwan tabarau ya dogara ne akan maƙasudin refractive da matakin ruwan tabarau.Gilashin ruwan tabarau suna da bakin ciki a tsakiya kuma suna da kauri a kusa da gefuna, yayin da ruwan tabarau na hyperopic akasin haka.Yawancin lokaci mafi girman digiri, mafi girman ruwan tabarau;Mafi girman ma'aunin refractive, mafi ƙarancin ruwan tabarau
