GAZOGJ Vision Test Board, Ophthalmic Optical LED Near Vision Chart with 2 Levels of Adjustable Brightness and Clear Sight Targets, Working Distance 25cm, Use at Close Range
Product Description
GAZOGJ Vision Test Board, Ophthalmic Optical LED Near Vision Chart with 2 Levels of Adjustable Brightness and Clear Sight Targets, Working Distance 25cm, Use at Close Range
Technical Specifications
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