EFFECTS OF RADIANT ENERGY ON THE EYE. G55 



In the following experiments (see page 668) the exposure was 

 sufficient to produce marked photophthalmia with loss of corneal 

 epithelium and endothelium, destruction of corneal corpuscles, soften- 

 ing and swelling of the stroma, and marked changes in the lens epi- 

 thelium. The retina was normal in all. 



Experiment 65. Exposed 6 minutes. Enucleation at end of 4 days. 



Experiment 66. Exposed 20 minutes. Enucleation at end of 10 

 hours. 



Experiment 67. (PI. 2, Fig. 6). Exposed 20 minutes. Enucleation 

 at end of 48 hours. 



Experiment 68. Exposed 20 minutes. Enucleation at end of 4 

 days. 



Experiment 69. (PI. 1, Fig. 1). Exposed 20 minutes. Enucleation 

 at end of 12 days. 



Experiment 70. (PI. 3, Fig. 7). Exposed 20 minutes. Enucleation 

 at end of 2 months. 



MAGNETITE ARC. QUARTZ DOUBLE LENS SYSTEM. WATER CELL. 



]]lfh croum screen (295 ixji) : 



Experiment 71. Exposed 2 minutes. Slight conjunctival reaction. 

 Corneal reflex impaired but epithelium intact. 



Experiment 72. Exposed 3 minutes. Loss of corneal epithelium 

 in exposed area. 



In the following experiments there w^as marked keratitis and abiotic 

 changes in the lens epithelium. The retina was normal. 



Experiment 73. Exposed 5 minutes. Enucleation at end of 48 

 hours. 



Experiment 74. Exposed 20 minutes. Enucleation at end of 5 

 days. 



Experiment 75. Exposed 20 minutes. Enucleation at end of 10 

 days. 



Experiment 76. Exposed 20 minutes. Enucleation at end of 

 34 days. 



With .001 cmramine solution in quartz cell 5 cm. thick (substituted 

 for w^ater cell), and blue uviol screen, the two together obstructing 

 all waves less than 250 nfx and longer than 470 /jlij. in length (see 

 PI. 5). 



Experiment 77. Exposed 45 minutes. Enucleation at end of 3 



