Centro de Óptica y Contactología Moderna Umbrale - Sí, es recomendable el uso de filtros contra la luz azul para poder trabajar durante más horas, sin generar tanta fatiga visual.#opticaumbrale lo que
![VINTAGE SUNGLASSES ZEISS 9173 277 BG9 135 MH UMBRAL 70s - ORIGINAL AND UNWORN GLASSES – ratticollector VINTAGE SUNGLASSES ZEISS 9173 277 BG9 135 MH UMBRAL 70s - ORIGINAL AND UNWORN GLASSES – ratticollector](http://cdn.shopify.com/s/files/1/1230/2604/products/03e2-zeiss-9173-277-bg9-135-mh-umbral-70s-01-vintage-sunglasses-frames-no-retro-glasses_1200x1200.jpg?v=1506967585)
VINTAGE SUNGLASSES ZEISS 9173 277 BG9 135 MH UMBRAL 70s - ORIGINAL AND UNWORN GLASSES – ratticollector
![VINTAGE SUNGLASSES ZEISS 9173 277 BG9 135 MH UMBRAL 70s - ORIGINAL AND UNWORN GLASSES – ratticollector VINTAGE SUNGLASSES ZEISS 9173 277 BG9 135 MH UMBRAL 70s - ORIGINAL AND UNWORN GLASSES – ratticollector](http://cdn.shopify.com/s/files/1/1230/2604/products/03e2-zeiss-9173-277-bg9-135-mh-umbral-70s-03-vintage-occhiali-da-sole-uomo-donna-modernariato_1200x1200.jpg?v=1506967585)