Police across the country have gratefully adopted Mace, a chemical stun gas in a pressurized can, as a means of coping with rioters and unruly suspects. Used as recommended (from at least 3 ft. away, in 1-sec. bursts), it causes temporary loss of vision and inability to move—effects far less drastic than those of a club or a .38-cal. bullet.
Lately, however, questions have arisen about possible long-range effects of Chemical Mace. A San Francisco ophthalmologist, Lawrence Rose, has squirted it at close range into one eye of each of three rabbits, whose eye structure is biologically similar to that...