Show advice oa 01 sin si n glasses sun glasses should be worn only in the bright sun says dr town in an article in the sight saving review published by the national society for the prevention of blindness dr town states that in a survey made of representative groups of ophthalmologists throughout the country the results show unanimous nani agreement on that point they may be harmful if used otherwise most of the group declared furthermore dr town states all the eye physicians agree that only ground and polished glasses should be worn |