Originally Posted by
harry a saake
Yesterday one of the OD,S i work with showed me a test he did to see how good plano sunglasses are. He turned on the projecter and on the chart was the standard snellen chart. He then held the various glasses in front of the projector, ocular side facing the projecter. I was amazed how many of them , including big brand names that were not clear and in fact some of them were terrible, others were great, even some of the glass polarized lenses were not clear. I am not going to name any brands right now until i can get an opinion on whether or not this is a valid test.
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