wa _— —! LACROSSE Project £,1 — FLASH BLINDNESS ~ Col, RB. S, Fixott C2 JZ0TIVES To s4in information regarding the behavior of lid reflexes 3 & uncer the high illuminations produced by atonie devices; to further evalucte the blink reflexes as a protective nechanism against chorioHe a ret nél burns. be. To gain ir.formation on shutter end filter recharisus for eye protection egainst cherioretinal burrs csused by atcmic weserons of The experimental arransenent for this project required the exposure es yaw.tanon te St ett Ahat to the detenition Aletiena Mah :oe Cistaences wivioh aque aftuced retinal lesions in a similar test series curing UPSHCT-hNOPaclz, Rabvits and monkeys were the aninels of cheice; the forer Lecsuse of viety avallability and Lintted netility of the eye, the latter beisuse of close resemblance to the huzan eye. Exposure racks were constracted to renter nearly cozplete protection of the anizal fron whole body effects, wien such protection wis indicated, liwited to one eye of subject rabbits, Direct ca, osure was The rovers had both eyes exposed, being used solely for ceterrining the peeotection offered by tre blink reflex, Stazzered shutters of two types were used, The simple ciosure srutters were open at time zero and closed at varying intervals after, up to 1 second. The closed-open-closed shutters were closed at tin zero, opened at a specified tire, recained open for varying durations, then closed, pe