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We Provide Full Solutions For You.
Features:1.Internal reading Lensmeter2.±25D measurement3.Wide field of vision observationTechnical Specifications:
Inner Reading:0.125D graduation up 0 to ±5D
and 0.25D graduations over±5D to ±25D
with prism compensation device 0~20∆prism diopters, 1∆graduations