Symbol 2949 from ISO 7000 - Title/Meaning: Good protection against sunglare Function/description: On sunglasses, to identify Category 2 ""general purpose"" sunglasses with a luminous transmittance that provides good protection against sunglare.Note: Forms part of series of five symbols depicting various degrees of sunglare reduction
pay attention to orientation of symbolAdditional information: 
Similar symbol has been in widespread use by the sunglass industry for some time.
Own work using: iso.org/obp/graphics/grs/b89ec6ae-87ba-4416-8e8f-bd3efff6c56b 200.png
Vectorization:  Mrmw